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Hi There, Does anyone know if it's possible to use the Galaxy S2 without a battery, or trick it into thinking it does have one and just run off power?
My phone works, but kills a battery in about 30 minutes. There's one resistor in there that gets super hot after being water damaged, but only with a battery in.
Wouldn't know where to buy a new resistor, so wouldn't mind leaving it permanently docked and run my audio for the house through it if I can somehow run it without a battery
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I think it can run without battery but can't boot without battery
Sent from my sgs2 running cm9 using xda app
Makrilli said:
I think it can run without battery but can't boot without battery
Click to expand...
Click to collapse
Just tried that on another S2 I have and it didn't work
Sorry to revive a old thread, but I would also like to know if there is a way to trick the phone into booting from a power supply instead of a battery. I am attempting to hardwire an old S2 into an imbedded in car media player blah blah blah.....long story short I have issues using the battery.
If I leave the phone plugged into a constant powered USB when the car is off and the phone is sitting dormant it over charges, the battery gets super hot, I get the overcharge/overheat warning etc. If I disconnect it, then I have two issues, first it loses charge as it is in use and pulling it when I park means having to bring it inside and top it off etc. The second problem is....it kind of defeats the purpose of an "embedded system".
I have the software set up perfectly and I love the way it all works. My only current hitch is the battery issue. If I can bypass it I know I can run a off delay relay, so that when the car is shut off the USB cord stays "hot" for say 1 hour then shuts off thus removing power. This option seems tedious and the parts more expensive then a simple power supply replacement. Unfortunately I do not know the software side.
I have been able to get the phone to boot without a battery, however as soon as it is done booting I get the "battery low, plug in" warning, then a few seconds later the phone shuts off........Is there a way to keep the phone from shutting down at that point, or get it to ignore the fact the "battery" is at 0%?
Edit: When I say I can get it to boot without a battery, I am wiring a power supply directly to the two pins that the battery + and - would be touching.
techoverload said:
Sorry to revive a old thread, but I would also like to know if there is a way to trick the phone into booting from a power supply instead of a battery. I am attempting to hardwire an old S2 into an imbedded in car media player blah blah blah.....long story short I have issues using the battery.
If I leave the phone plugged into a constant powered USB when the car is off and the phone is sitting dormant it over charges, the battery gets super hot, I get the overcharge/overheat warning etc. If I disconnect it, then I have two issues, first it loses charge as it is in use and pulling it when I park means having to bring it inside and top it off etc. The second problem is....it kind of defeats the purpose of an "embedded system".
I have the software set up perfectly and I love the way it all works. My only current hitch is the battery issue. If I can bypass it I know I can run a off delay relay, so that when the car is shut off the USB cord stays "hot" for say 1 hour then shuts off thus removing power. This option seems tedious and the parts more expensive then a simple power supply replacement. Unfortunately I do not know the software side.
I have been able to get the phone to boot without a battery, however as soon as it is done booting I get the "battery low, plug in" warning, then a few seconds later the phone shuts off........Is there a way to keep the phone from shutting down at that point, or get it to ignore the fact the "battery" is at 0%?
Edit: When I say I can get it to boot without a battery, I am wiring a power supply directly to the two pins that the battery + and - would be touching.
Click to expand...
Click to collapse
bump
any solutions to this yet?
the phone has a circuit that controls power and charge level by communicating with the battery so it will always know that the battery is removed because the battery feedback circuit will not be present.
Sorry for reviving an old thread, but i have a solution that may help others out.
I have found a way to power the Galaxy S2 GT-I9100T from an external power supply ( i have also tested on S3 GT-I9300 and S5 SM-G900I).
My first step was to create a dummy battery out of perspex, you could use any non conductive material.
Make sure you include the alignment notches and keep it as close to the size of the original battery so it is a snug fit and wont accidentally fall out.
When you know the perspex fits you can start fitting the contact terminals, make sure you have the polarity correct and that they line up with the contact terminals of the original battery and the spring terminals in the phone.
Once you have the terminals fitted you can then look at powering up your phone, i used a LM2596 based DC-DC converter that i had laying around.
If you are using a variable DC-DC converter like i did make sure you adjust the output of the power supply BEFORE connecting to your phone to prevent you destroying your device.
My DC-DC converter is set at 3.88 Volts, this value seems to trick the phone into thinking it has a battery with greater than 40% charge that way you don't get the annoying low battery alerts.
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How about taking your admittedly innovative idea one stage further.......
If you have an old battery laying around, why not (very carefully) remove the top part of it for use with your perspex replacement....this top section contains the overcharge protection circuit which would help to provide added protection to the device....it also has the benefits of the facts that the battery connection points are already in place and correctly aligned (it also has those alignment notches at either end).....imo, an improvement on an already good idea....
I got problem with my SGS 2 - after long on-shelf time battery drained to absoltely zero. My voltometer showed 0 on every connector. I was unable to charge or boot my phone (24h+ on charger, no signs of life). Dead, bricked, gone... Battery was relatively new (some months) so I didn't want to buy another one. Then I read Spud2233's post... and tried it .Well, kind of variation. I connected charger to phone's USB port and additional power (Motorola's dual port charger) to internal batterys connector (simly stripped old USB cable). Then battery was inserted and.... voila! After 2 or 3 retries my phone booted in and started to charge. I disconected additional power cable, phone is loading as usual. Battery revived!
Thanks for inspiration, Spud2233!
szydas said:
I got problem with my SGS 2 - after long on-shelf time battery drained to absoltely zero. My voltometer showed 0 on every connector. I was unable to charge or boot my phone (24h+ on charger, no signs of life). Dead, bricked, gone... Battery was relatively new (some months) so I didn't want to buy another one. Then I read Spud2233's post... and tried it .Well, kind of variation. I connected charger to phone's USB port and additional power (Motorola's dual port charger) to internal batterys connector (simly stripped old USB cable). Then battery was inserted and.... voila! After 2 or 3 retries my phone booted in and started to charge. I disconected additional power cable, phone is loading as usual. Battery revived!
Thanks for inspiration, Spud2233!
Click to expand...
Click to collapse
Just registered to say thanks for this tip!
I too have had SII batteries go dead after too long, and the SII seems to be unable to power up without a voltage across the battery terminals.
I used a small variable power supply set to about 3.5 V. I trimmed some thin hookup wire until only a few strands were left and 'pinched' them between the battery terminals and the phone battery contacts. Then with a charger plugged in to the phone I was able to 'trick' the phone into turning on. Once booted the battery charged fine.
Note I think this should be done quickly as the phone and power supply will fight each other for as long as the voltage is placed on the contact, so I pulled the PS wires out (keeping the battery in) as soon as the phone was booted up.
szydas said:
I got problem with my SGS 2 - after long on-shelf time battery drained to absoltely zero. My voltometer showed 0 on every connector. I was unable to charge or boot my phone (24h+ on charger, no signs of life). Dead, bricked, gone... Battery was relatively new (some months) so I didn't want to buy another one. Then I read Spud2233's post... and tried it .Well, kind of variation. I connected charger to phone's USB port and additional power (Motorola's dual port charger) to internal batterys connector (simly stripped old USB cable). Then battery was inserted and.... voila! After 2 or 3 retries my phone booted in and started to charge. I disconected additional power cable, phone is loading as usual. Battery revived!
Thanks for inspiration, Spud2233!
Click to expand...
Click to collapse
Thank you so much for the solution to my problem! I have purchased TWO batteries already and they both stopped working after drained to zero. I was blaming a charger or a quality of the battery. I found other posts suggesting to remove a capacitor but it wasn't broken...
Thanks to you, I have just booted my phone, pulled out extra power after couple minutes and it charging on its own now! (well 5% as I speak).
fpN3eqU said:
Just registered to say thanks for this tip!
I too have had SII batteries go dead after too long, and the SII seems to be unable to power up without a voltage across the battery terminals.
I used a small variable power supply set to about 3.5 V. I trimmed some thin hookup wire until only a few strands were left and 'pinched' them between the battery terminals and the phone battery contacts. Then with a charger plugged in to the phone I was able to 'trick' the phone into turning on. Once booted the battery charged fine.
Note I think this should be done quickly as the phone and power supply will fight each other for as long as the voltage is placed on the contact, so I pulled the PS wires out (keeping the battery in) as soon as the phone was booted up.
Click to expand...
Click to collapse
szydas said:
I got problem with my SGS 2 - after long on-shelf time battery drained to absoltely zero. My voltometer showed 0 on every connector. I was unable to charge or boot my phone (24h+ on charger, no signs of life). Dead, bricked, gone... Battery was relatively new (some months) so I didn't want to buy another one. Then I read Spud2233's post... and tried it .Well, kind of variation. I connected charger to phone's USB port and additional power (Motorola's dual port charger) to internal batterys connector (simly stripped old USB cable). Then battery was inserted and.... voila! After 2 or 3 retries my phone booted in and started to charge. I disconected additional power cable, phone is loading as usual. Battery revived!
Thanks for inspiration, Spud2233!
Click to expand...
Click to collapse
I am in the same situation with SII batteries go dead after too long.
I do not understand this part
''I connected charger to phone's USB port and additional power (Motorola's dual port charger) to internal batterys connector (simly stripped old USB cable). Then battery was inserted and.... voila!''
or this part
'' I trimmed some thin hookup wire until only a few strands were left and 'pinched' them between the battery terminals and the phone battery contacts. Then with a charger plugged in to the phone I was able to 'trick' the phone into turning on.''
how is this different than inserting the battery in the phone and then connecting the usb power supply?
blue whale said:
how is this different than inserting the battery in the phone and then connecting the usb power supply?
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Click to collapse
The phone won't charge the battery if it doesn't detect (sufficient) voltage. You can "jump start" the charging process by tricking it with a fixed voltage across the terminals.
so I take my dead battery, then
-take a usb charger+usb cable
-strip the usb cable to get two strands
-put one strand of the usb cable on the + of the battery
-put one strand of the usb cable on the - of the battery
=>the battery is charging
[or easier, I take battery like this,
put one strand of an electric cable on the +, connect this cable to the + of the phone battery, then put one strand of the electric cable on the - of the battery and the - of the phone battery
then I put the battey in the phone with usb power supply IN and the phone boots ???
I wouldn't use a USB cable, 5 V is probably too high.
blue whale said:
or easier, I take battery like this, put one strand of an electric cable on the +, connect this cable to the + of the phone battery, then put one strand of the electric cable on the - of the battery and the - of the phone battery then I put the battey in the phone with usb power supply IN and the phone boots ???
Click to expand...
Click to collapse
Yep, that's exactly what I did (except I used a 3.5 V power supply).
Once the phone has begun booting you should probably disconnect the "jump start" battery as quickly as possible or it'll fight the charging circuit.
fpN3eqU said:
I wouldn't use a USB cable, 5 V is probably too high.
Yep, that's exactly what I did (except I used a 3.5 V power supply).
Once the phone has begun booting you should probably disconnect the "jump start" battery as quickly as possible or it'll fight the charging circuit.
Click to expand...
Click to collapse
but you agree that connecting the phone battery the charged green battery is like charging the phone battery [at least a bit]?
then I would just use the phone battery normally, by inserting it into the phone and boot the phone and finish to charge the phone battery.
blue whale said:
but you agree that connecting the phone battery the charged green battery is like charging the phone battery [at least a bit]?
then I would just use the phone battery normally, by inserting it into the phone and boot the phone and finish to charge the phone battery.
Click to expand...
Click to collapse
Not really, the SII battery will still be dead after a few seconds "charging". Getting the voltage across the phone battery terminals tricks the phone that there's a charged battery present so it will boot and continue charging it. Otherwise it gets stuck in something like a boot loop looking for the battery (mine did anyway).
If you could charge it separately from the phone then obviously you'd just do that.
Thank you for all your tips. I tried similar stuff, but I guess the voltage was just not right.
So I asked around to get a spare battery, which which I powered on the phone. It worked like charm.
I change the battery while the phone was running and tada! my phone was loading the "out of order" battery just fine.
Pretty much the same trick you guys did, but with less soldering and more quick magic happening ^^
regsnerven said:
Thank you for all your tips. I tried similar stuff, but I guess the voltage was just not right.
So I asked around to get a spare battery, which which I powered on the phone. It worked like charm.
I change the battery while the phone was running and tada! my phone was loading the "out of order" battery just fine.
Pretty much the same trick you guys did, but with less soldering and more quick magic happening ^^
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Click to collapse
I did just that to my s2 and his dead battery.
I was scared to go with ONLY a 18650 battery to charge the dead battery (no phone or usb charger involved) : I did not know if I should connect pole+ of the 18650 with pole + of dead battery (and pole - of 18650 with pole - of dead battery) which is the parallel scheme or the opposite, to go with the ''series'' scheme
blue whale said:
I was scared to go with ONLY a 18650 battery to charge the dead battery (no phone or usb charger involved) : I did not know if I should connect pole+ of the 18650 with pole + of dead battery (and pole - of 18650 with pole - of dead battery) which is the parallel scheme or the opposite, to go with the ''series'' scheme
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Click to collapse
You were right to be scared. You should not do that. The dead battery might draw too much current. That could be dangerous. Read a bit about how charging of Li-Ion batteries works: first you charge with constant current (CC), which depends on the battery's design, once it reaches the correct voltage (4.2 V for a single cell), it should go into constant voltage mode, and then you have to know at what time or remaining current you shut the charger off. A good rule of thumb is to wait till the current drops to 10% of the charging current. E.g. if you were charging the battery with 1 A***, you should turn off the charger when it's down to 100 mA.
***1 A is just an example that would work for most modern phone batteries. However, this can be different! Ideally it's written on the battery.
Also, it's very well possible that in newer phones the battery will only output voltage if the charging circuit inside the phone allows it to. At least that's the case in notebooks for many years, and I don't see why it should be very different for phones.
I plugged in my razr before I went to bed. I've been using a HTC plug and cable for the last few months no problems. Woke up this morning and battery was at 5% and then the phone died completely soon after. I plugged it in using my original motorola plug and cable. The dual core screen came up and then the battery level said 0% and it looked like it was charging. It died again after about half an hour. Now nothing will get the phone going. I also tried the hard reset (Power and volume down). The phone is unrooted and hadn't been updated to Jellybean yet.
Any ideas what I can try?
razzrrrr
cathain said:
I plugged in my razr before I went to bed. I've been using a HTC plug and cable for the last few months no problems. Woke up this morning and battery was at 5% and then the phone died completely soon after. I plugged it in using my original motorola plug and cable. The dual core screen came up and then the battery level said 0% and it looked like it was charging. It died again after about half an hour. Now nothing will get the phone going. I also tried the hard reset (Power and volume down). The phone is unrooted and hadn't been updated to Jellybean yet.
Any ideas what I can try?
Click to expand...
Click to collapse
Try using the correct charger and charge it for about an hour, thats the first thing I would try. How long is the htc cable you're using because the longer the cable the slower the charge.
I have tried multiple different chargers with no joy. I think the problem is with the connection. When I plug a charger in the white charging light flashes briefly for a second. I checked the connection for dust and it looks clear?
Try Booting into bp tool or hw diag (hold vol up and vol down then press power should see black screen with white text vol down moves cursor vol IP selects) the phone should charge if left in one of these modes (if you can even make it this far without the bat dying that is). if that don't work could try disassembling then charging the battery directly (never tried this its only an idea try at you own risk)
My xt910 razr maxx has suffered exactly the same fate overnight. Worked fine yesterday now it's dead with the only sign of life from the white led when attaching the moto usb charger. Phone wasn't run flat prior to this. Baffling
jdjdj2001 said:
My xt910 razr maxx has suffered exactly the same fate overnight. Worked fine yesterday now it's dead with the only sign of life from the white led when attaching the moto usb charger. Phone wasn't run flat prior to this. Baffling
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I don't even get the white light when I plug mine in any more! Have you tried the suggestions above?
cathain said:
I don't even get the white light when I plug mine in any more! Have you tried the suggestions above?
Click to expand...
Click to collapse
Yes I have and no button combination produces as much as a glimmer. I've had the back off and checked the battery for charge, it shows 4.3 volts so it's not that. Something has failed catastrophically I fear.
Check the battery's cable that connects to your phone.If that cable was broke,you can just see the battery level but without charging it.
Sent from my XT910 using xda app-developers app
I've read around this a little now and have invested £3 in a Motorola Factory Cable of fleabay which hopefully will resolve the issue. Due to be delivered next week so I'll keep you posted......
Well got the factory cable and tried it holding the vol down button. Nothing. Took the back off the phone and checked the voltage of the battery 2.75v. Removed the battery and tried the factory cable with vol down. Still nothing. Reinstalled battery and left charging off a pc overnight, this morning it had risen to 2.83v. Starting to think that this phone has had it
Cut the end off a micro usb cable, exposed the wires and connected the red and black to the battery terminals then plugged it into the moto wall wart. Left it until fully charged....volt meter read 5.1v, the output of the charger. Disconnected and checked charge, 4.2v out of the battery.
still dead. Nothing. No red moto screen, no recovery nothing. Something else must be amiss. All I get is a brief white led flash when I plug in the standard charger cable.
anyone have any ideas where to go from here other than the skip?!
Just resurrecting this thread in the hope someone has found a solution....
I still have a brick which is unresponsive to two factory cables plugged into my PC with and without the battery in.
Trouble is I've got pictures on there I'd like to recover if possible which causes me to persist with this troublesome device!
http://forum.xda-developers.com/showthread.php?t=2431617
I access the boot menu by holding both vol up and down, and pressing the power button (hold for ~2 seconds, and release the power button, while still holding vol +/-. Volume down will only send you to APFastboot. Check out the post, I encountered the same problem. The final method I tried was the winner. Good luck, and let me know if you have any questions.
Thanks for that, I'll certainly give it ago when I get a free hour one evening this week. I am concerned though that the factory cable doesn't work, I was under the impression that the phone should at least respond to its connection in some way - it doesn't even when vol-is depressed when connecting to pc.
The only response I get from the phone is a brief flash of the white led as the usb cable (factory or charging) is connected to it.
That indicates that there isn't any power management remaining on the phone, and the battery is pretty weak. You'll need to get the battery charged up manually. After you flash with the last method I used, you should be able to reconnect the battery and charge the phone all the way up before booting. Sounds like you're having the exact same problem I did.
Sent from my XT912
Really , Really wanted this to work but it doesn't look promising.
Made the USB charge cable as described (white and black twisted together to -ve, red on its own to +ve). Battery removed from phone, usb on charge cable connected to PC.
5 Volts found at the battery connection terminals. Original Moto Data cable connected to phone then PC. White LED flashed on for slightly longer than before then off. No response from phone - nothing on the screen or vibration with or without any combination of Vol- and vol+.
Battery refitted and charge lead attached to terminals as above to charge from PC. Now reading 4V across the terminals charge lead plugged in, 3.84V cable unplugged so presumed charged.
Still no response other than the brief white LED from the phone with either the Data or Factory cables and Vol-(or any other Vol configurations).
Any ideas???
I assume you tried pressing and holding all the buttons, for five or ten seconds, or even a little longer, to try a full reboot. Beyond that, I wish I could help more. I'm slap out of ideas. This was the last step for me (as the solution usually is). The main board might have had it, though I don't have a clue why.
Sent from my XT912
I'm thinking dead mobo too. When it died it did so overnight without provocation - no flashing or tinkering, it was left on the kitchen sideboard and found dead in the morning. oh well I've tried. many thanks for your help:good:
Glad to try and help. I guess it's time to move on to the next device! Let us know if the phone sporadically decides to work, or you figure out a solution!
Sent from my XT912
This might work
jdjdj2001 said:
Really , Really wanted this to work but it doesn't look promising.
Made the USB charge cable as described (white and black twisted together to -ve, red on its own to +ve). Battery removed from phone, usb on charge cable connected to PC.
5 Volts found at the battery connection terminals. Original Moto Data cable connected to phone then PC. White LED flashed on for slightly longer than before then off. No response from phone - nothing on the screen or vibration with or without any combination of Vol- and vol+.
Battery refitted and charge lead attached to terminals as above to charge from PC. Now reading 4V across the terminals charge lead plugged in, 3.84V cable unplugged so presumed charged.
Still no response other than the brief white LED from the phone with either the Data or Factory cables and Vol-(or any other Vol configurations).
Any ideas???
Click to expand...
Click to collapse
https://www.youtube.com/watch?v=QfT2Bejkcdk&feature=youtube_gdata_player
I am not sure if you already watched this video, its for droid razr maxx, charging a dead battery and works perfectly for droid razr too.
My droid razr was exactly in same condition, white light and no charging, did not power up, completely dead.
I popped open the back case, connected the modified usb cable wires to the positive (Red wire) and negative (black wire) ends of the battery and let it charge (stay connected) for one hour. Then i pressed vol up+ vol down + power button. And my phone switched on.
If only your battery is dead, this should work.
Hi there, XDA folks!
Mario here with some phone problems..
I have a CDMA Evo 3D running on the stock ROM.
The phone's charging cable was shorting out ever since I bought it (got it 2nd hand). I had to wiggle it in order to get the phone charging.
I gave it to my girlfriend to use it for taking pictures n whatnot while outside of town. She returned it kinda Rambo-ish; the front of the phone basically fell apart.. the front metal grill surrounding it, at least.
Phone worked fine, except for the cable shorting out even more. My laptop shut down every time that happened, so I'm quite sure that's not what caused the problem I'll be explaining later on in this thread.
So let's get to the point, shall we?
My phone was really low on battery, something within the range of 2-5%. I tried charging it, but the wires shorted out again and the laptop died on me.. again, and again, and again..
I couldn't really bother with fiddling around with it until it starts, so I just unplugged it and left it that way.
The phone sat for a few days, my (main) laptop broke, so I decided to give the good ol' Facebook Messenger a go.. sadly, the phone would not turn on or start charging.
I removed the shrink-like wrap around the wires of the USB cable, cut the bad parts and twisted the color-matching wires in order. Sadly, the phone would still not charge.
I tried with another (self-made) USB cable... no luck whatsoever. Just to clarify; the blue wire on the one the phone comes with is ground, right? If not that could of caused the problem, since I connected the blue wire on the mini-usb to the black one on a standard USB plug.
I tried juicing the phone up a tad bit by running 5V on the battery for 15 minutes or so.. didn't really bother going for more, since it's kinda hard to keep 2 wires pressed against the battery for more than that. The phone powered up, but the display did not. There was the low battery sound, volume keys were functional, vibrating feedback was okay.. hell, the phone even took a screenshot when I pressed power button + volume down!
Sadly, that didn't solve anything.. even turned on, it would not charge. The 15-minute charge is good for a minute of red blinking light and fancy glowing buttons, nothing more.
Is the phone dead, or should I give it a hour charge directly and see how that goes?
Thanks in advance to everyone who replies!
i think it'll be good if you buy a universal battery charger for phone. so you can charge your battery without plugged to the phone
apinghed said:
i think it'll be good if you buy a universal battery charger for phone. so you can charge your battery without plugged to the phone
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Click to collapse
I am looking for more opinions before I spend cash I don't have on chargers that may not work.
If you or someone else is positive about the display not working because of not enough battery juice, then I'll manually charge the battery for an hour, even though it's uncomfortable as hell to hold 2 wires on the pins for that long.
What's bugging me is that it's not charging once it has just enough juice to power up everything, no display either. I'd like to know if it's doing that, because the battery is too dead to actually start charging up via the phone and whether the display just doesn't work or there's not enough juice for it.
Edit; I bought a chinese charger that charges the battery directly (2pins). The display still does not work and the phone will still not charge via the cable. Could it be a bad cable (and a dead display..)? It seems like the phone itself is responsive - I unlock it, press the "search" button and when I type on the keyboard (that I don't see), it vibrates with every pressed key.
Also, I can hear it taking a screenshot and the volume down/up buttons seem to be working fine.
Dontrememberusername said:
Edit; I bought a chinese charger that charges the battery directly (2pins). The display still does not work and the phone will still not charge via the cable. Could it be a bad cable (and a dead display..)? It seems like the phone itself is responsive - I unlock it, press the "search" button and when I type on the keyboard (that I don't see), it vibrates with every pressed key.
Also, I can hear it taking a screenshot and the volume down/up buttons seem to be working fine.
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Click to collapse
this is exactly what's been going on with my phone as of a few days ago.
checked the time while it was plugged in, unplugged it...screen froze.
hasn't turned back on since.
the buttons on bottom light up, though.
i can take calls, use my unlock pattern (it takes me a few tries now that i can't see anything) and press the search key for google now.
for all intents and purposes...phone's fully functional...except i can't see anything going on.
i brought my phone into a sprint corp store, they changed the top housing for me screen and all for free.
it was really nice.
but, that didn't change anything.
screen still doesn't change anything.
they said the board probably shorted on screen lead.
have you figured anything out?
cipher77 said:
this is exactly what's been going on with my phone as of a few days ago.
checked the time while it was plugged in, unplugged it...screen froze.
hasn't turned back on since.
the buttons on bottom light up, though.
i can take calls, use my unlock pattern (it takes me a few tries now that i can't see anything) and press the search key for google now.
for all intents and purposes...phone's fully functional...except i can't see anything going on.
i brought my phone into a sprint corp store, they changed the top housing for me screen and all for free.
it was really nice.
but, that didn't change anything.
screen still doesn't change anything.
they said the board probably shorted on screen lead.
have you figured anything out?
Click to expand...
Click to collapse
Nope, I'm still in the same situation.
Does yours charge?
My phone isn't recognized by my laptop at all, so I'm guessing something is indeed fried. I don't have the appropriate screwdrivers to open it up and inspect the board, otherwise I'd open it up and check it out.
If you have Torx T5 & T3 screwdrivers you should give it a go - post some decent-res pics over here and I'll at least visually inspect it.
I genuinely don't feel like spending more money for tools n whatnot for a phone that may be permanently dead.. planning on getting a second-hand S4 anyways. Waiting on a student loan and smashing this phone to pieces as soon as I get the cash for a new one. Can try and help out for yours if you manage to open it, though. Could be something as simple as a dead resistor that shouldn't be too hard to replace.
I tried the hillbilly method and hit my phone a few times against a wooden bench, that didn't seem to fix it. Pretty positive something's fried, but I'm also guessing it isn't a viable component, having in mind the phone functions normally, even though the display & usb port don't work.. hell, my phone woke me up at 3AM today, 'cause the alarm went off, lol!
My Galaxy S2 appeared to be working fine with no issues but during a charge one day, I noticed it had gone black and wouldn't turn on. I swapped out the battery and changed the charger (both taken from a different S2 that had no issues) and it didnt fix the issue.
The rundown:
Taking a different battery/charger that works with another S2 doesn't make any difference
Phone doesn't show the battery charger icon when plugged in
My PC doesn't recognise the phone when I plug it in via USB
The USB jig doesn't seem to help do anything
Tried removing the battery and keeping it out of the phone overnight, put it back in and still nothing
Tried removing the battery, plugging in the charger, waiting awhile, putting the battery back and straight away pressing power button - nothing
The only sign of life is that the phone gets warm around the camera area when left on charge.
Any ideas?
kmmc said:
My Galaxy S2 appeared to be working fine with no issues but during a charge one day, I noticed it had gone black and wouldn't turn on. I swapped out the battery and changed the charger (both taken from a different S2 that had no issues) and it didnt fix the issue.
The rundown:
Taking a different battery/charger that works with another S2 doesn't make any difference
Phone doesn't show the battery charger icon when plugged in
My PC doesn't recognise the phone when I plug it in via USB
The USB jig doesn't seem to help do anything
Tried removing the battery and keeping it out of the phone overnight, put it back in and still nothing
Tried removing the battery, plugging in the charger, waiting awhile, putting the battery back and straight away pressing power button - nothing
The only sign of life is that the phone gets warm around the camera area when left on charge.
Any ideas?
Click to expand...
Click to collapse
my phone doing the same Since like 6 hrs ago
did you tried to turn it on when you didn't has battery (low battary) ? or you got the recovery mode before your phone stopped turning on ? because mine did and i dont know what to do too
I think you have burned the logic board
kmmc said:
My Galaxy S2 appeared to be working fine with no issues but during a charge one day, I noticed it had gone black and wouldn't turn on. I swapped out the battery and changed the charger (both taken from a different S2 that had no issues) and it didnt fix the issue.
The rundown:
Taking a different battery/charger that works with another S2 doesn't make any difference
Phone doesn't show the battery charger icon when plugged in
My PC doesn't recognise the phone when I plug it in via USB
The USB jig doesn't seem to help do anything
Tried removing the battery and keeping it out of the phone overnight, put it back in and still nothing
Tried removing the battery, plugging in the charger, waiting awhile, putting the battery back and straight away pressing power button - nothing
The only sign of life is that the phone gets warm around the camera area when left on charge.
Any ideas?
Click to expand...
Click to collapse
What was your Android version?
kmmc said:
My Galaxy S2 appeared to be working fine with no issues but during a charge one day, I noticed it had gone black and wouldn't turn on. I swapped out the battery and changed the charger (both taken from a different S2 that had no issues) and it didnt fix the issue.
The rundown:
Taking a different battery/charger that works with another S2 doesn't make any difference
Phone doesn't show the battery charger icon when plugged in
My PC doesn't recognise the phone when I plug it in via USB
The USB jig doesn't seem to help do anything
Tried removing the battery and keeping it out of the phone overnight, put it back in and still nothing
Tried removing the battery, plugging in the charger, waiting awhile, putting the battery back and straight away pressing power button - nothing
The only sign of life is that the phone gets warm around the camera area when left on charge.
Any ideas?
Click to expand...
Click to collapse
If this is still relevant (the OP posted 2 months ago)......
Phone won't power on, no charging icon when charger plugged in, recovery and download modes inaccessible, usb jig doesn't help, phone getting warm by the camera......I remember my time on the S2 forum, and these are all (when combined) a classic sign of a HARD BRICK.......
HARD brick = HARDware brick
SOFT brick = SOFTware brick
SOFT brick......usually recoverable
HARD brick......start using your phone as a paperweight......
Sorry mate, but unless you're prepared to spend out on a new motherboard, you ain't fixing it.....
Sent from my rooted, debloated stocKK kn0x0 SM-G900F
Thanks Keith & all.. it was indeed a goner. An expert took a look at it and found that the cause of the issue was the EMMC chip where the data is stored. Unfortunately it is too tedious/complicated to replace due to how it is soldered to the board (requires specialised equipment etc) so it was a choice of replacing the entire board or bust. Just wasn't worth it for an older phone. I ended up buying a Xiaomi Mi4i to replace the S2 and have been pretty happy with it (save for a few software bugs now and then).
keithross39 said:
If this is still relevant (the OP posted 2 months ago)......
Phone won't power on, no charging icon when charger plugged in, recovery and download modes inaccessible, usb jig doesn't help, phone getting warm by the camera......I remember my time on the S2 forum, and these are all (when combined) a classic sign of a HARD BRICK.......
HARD brick = HARDware brick
SOFT brick = SOFTware brick
SOFT brick......usually recoverable
HARD brick......start using your phone as a paperweight......
Sorry mate, but unless you're prepared to spend out on a new motherboard, you ain't fixing it.....
Sent from my rooted, debloated stocKK kn0x0 SM-G900F
Click to expand...
Click to collapse
I've had the S23 Ultra (US, unlocked, from samsung.com) for a couple of months. I didn't root it, drop it, or splash it with water. I charged it last night, but when I woke up this morning, there was no sign of life: a black screen, no sound, no reaction to charging (even after long charging with a different charger and the cable), no reaction to a long press of Power + Vol Up/Down, and nothing detected in adb.
So I have a few questions:
Has anyone else had a similar experience with their device?
Any suggestions on how I could resurrect it?
Do you have any ideas about what might happen? Throughout the two months, I used the same old low-current (850 mA) Motorolla charger. The charger is still operational.
My current plan is to contact Samsung Support.
Any advice is appreciated! Thank you!
Have you tried using a higher capacity charger, like an official Samsung charger plugged into the wall? Have you tried a wireless charging pad to rule out an issue with the USB-C port? Samsung still uses the lowest grades soldier pennies can buy on their most premium devices.
night_wind said:
I've had the S23 Ultra (US, unlocked, from samsung.com) for a couple of months. I didn't root it, drop it, or splash it with water. I charged it last night, but when I woke up this morning, there was no sign of life: a black screen, no sound, no reaction to charging (even after long charging with a different charger and the cable), no reaction to a long press of Power + Vol Up/Down, and nothing detected in adb.
So I have a few questions:
Has anyone else had a similar experience with their device?
Any suggestions on how I could resurrect it?
Do you have any ideas about what might happen? Throughout the two months, I used the same old low-current (850 mA) Motorolla charger. The charger is still operational.
My current plan is to contact Samsung Support.
Any advice is appreciated! Thank you!
Click to expand...
Click to collapse
Looks like you've tried everything basic and the phone's just dead. Could be a motherboard failure. Best to go to Samsung instead of breaking your head, as it's still under warranty. At least that's what I'd do in your position.
Wish you the best.
Try half an hour charging on wireless charger if you haven't tried yet
Saw this happen on a Note 4 back in the day. It wasn't really dead but in a weird power state. Fully charging for a few hours (even though it showed nothing) then holding power and volume up and down got it to reboot.
Guyinlaca said:
Saw this happen on a Note 4 back in the day. It wasn't really dead but in a weird power state. Fully charging for a few hours (even though it showed nothing) then holding power and volume up and down got it to reboot.
Click to expand...
Click to collapse
My old Note 4 went into this state and didnt manage to revive it with Power and Volume Up + Volume Down combo. The only sign that tells me it's not fully dead is the green notification light when I do the above combo.
About weird power states - I had Galaxy Buds Pro, which refused to take any charge - wired charging did not work and wireless either. Only way to revive it was to use wireless power sharing from the phone. Problem did not reappear later. Go figure...
Really? I "didn't root it" as if that is a bad thing
You obviously charged it with faulty charger. I experienced the exact same thing. I was about to cry but then i remembered i was testing a cheap, fake Samsung charger...
Then i plugged the phone into REAL charger, waited for 2-3 minutes, phone was alive with all its glory.
Get a GENUİNE one with GENUİNE Cable, you are good to go.
night_wind said:
I've had the S23 Ultra (US, unlocked, from samsung.com) for a couple of months. I didn't root it, drop it, or splash it with water. I charged it last night, but when I woke up this morning, there was no sign of life: a black screen, no sound, no reaction to charging (even after long charging with a different charger and the cable), no reaction to a long press of Power + Vol Up/Down, and nothing detected in adb.
So I have a few questions:
Has anyone else had a similar experience with their device?
Any suggestions on how I could resurrect it?
Do you have any ideas about what might happen? Throughout the two months, I used the same old low-current (850 mA) Motorolla charger. The charger is still operational.
My current plan is to contact Samsung Support.
Any advice is appreciated! Thank you!
Click to expand...
Click to collapse
Had this happen on my old s21u. Contacted support and told them I had done all the steps you did. They had me send it in for repair (was actually 2 months after warranty expired but they still agreed to repair it free of charge) and ended up changing the main board, usbc port and something else. Never happened again after (didn't change chargers or anything). So yeah, contact support that's your best bet.
Is this not a legit Charger ?https://photos.app.goo.gl/X9AGuMiz98q3ya2E7
tsufadamadev said:
As for resurrecting your device, you could try some basic troubleshooting steps like a hard reset or checking for any software updates.
Click to expand...
Click to collapse
It will be hard to do it if he can't even turn on the device i any way... No combination of buttons work, no way to turn it on with charger or ADB...
As its apparently either dead or in power-off state you could try to start it into download-mode by:
1. pressing Vol-Up and Vol-Down together and keep them pressed
2. plugging in a USB-cable connected to either a powered-on computer or a charger while keeping the buttons pressed
Normally it should boot into download mode (you can release the buttons after boot-up ).... Maybe this helps if the power button is broken....
illetyus said:
You obviously charged it with faulty charger. I experienced the exact same thing. I was about to cry but then i remembered i was testing a cheap, fake Samsung charger...
Then i plugged the phone into REAL charger, waited for 2-3 minutes, phone was alive with all its glory.
Get a GENUİNE one with GENUİNE Cable, you are good to go.
Click to expand...
Click to collapse
Phones have protection. Fake or real charger shouldn't damage phones.
Brava27 said:
Phones have protection. Fake or real charger shouldn't damage phones.
Click to expand...
Click to collapse
Can't a power surge damage a device? It can happen either during a storm or by using a non-recommended charger. It can fry certain components, even though phones have protection.
Brava27 said:
Phones have protection. Fake or real charger shouldn't damage phones.
Click to expand...
Click to collapse
No, it was like... My fake charger suddenly stopped working and my other phone recognized the charger + cable as a DATA TRANSFER DEVICE. It is really hard to describe the experience. No charging, my fake charger was recognized as something else..
The experience was... My S23 Ultra blacked out. I thought it was charging. Then, complete darkness. Didn't respond to power button.. Nothing. I thought it was bricked. Then i got up and found my other charger. Waited.. 10 - 15 seconds later my phone was back again. God i swear, i was shaking with sweat. It has been almost 1 month, my phone is just fine..
That day i decided to go with only geniue products. Maybe my phone protected itself by bricking itself. I really dont know.
To me it sounds like what you experienced was just an empty battery .... without juice in the battery the phone cannot do anything and the defective charger did not charge the phone while you thought it did....
Update from me: I scheduled an appointment from the Samsung site with an authorized service center (Best Buy). They checked my phone and said that they couldn't fix it if it wasn't turning on, and I had to send it to Samsung. That was unexpected.
I sent the phone to Samsung, and today I got a message that they could not reproduce the problem. I wasn't able to communicate with the service worker yet. My concern is that it could be a bad internal cable connection that restored the circuit due to the shipment vibrations. If so, and they will not check it, I could end up with a phone with a faulty connector that could die at any moment (hopefully during the warranty period).
It's also possible that being in the weird power state was fixed by simply letting the phone completely deplete of charge so that it properly turned off, recharging, then rebooting.
I had this problem on my old s7 edge. It seems that samsung never fixed this problem. The screen would stay completely black, unable to do anything until the battery completely drained. The device itself was never rooted or modified. Pretty disappointing it was never fixed.