Hello guys, so, a friend of mine gave me his old RAZR xt910 after some begging, he was going to throw it away. This phone came to me with a dead battery and a shattered screen. First, the phone wasn't turning on, but would turn on and stuck on bootlogo only - with the charger (ac). I managed to hard reset it and load Android throu BP TOOLS (vol up down + charger), after taking the battery away, Running on charger only, - this was a new "gold" 3030mah aftermarket battery that was put in there by my friend one year ago. I was pretty impressed since it turned on without battery, like, wtf!. I tried to install CyanogenMod but could get to safestrap since it was asking for a battery ((?) image when on charger). Recently he brought me the old original battery - the one he tried to swap for the new one. It was all good, I put it back in and booted with 99%, but it depleted quickly. The phone refuses to charge it, wherever it is on or off, ((? Image when it's off, again)… it says OVERHEATING when it's on and then enters a cool down phase in which I can only do emergency calls, nothing else. On cpu-z it shows battery as Overheat at 80c (doesn't show variation). It also shows Overheat when without battery so I'm guessing this is preventing charge, but the energy flows well through the phone. Cyanogens turn the phone immediately off after optimizing apps on first boot (I guess it's because the wrong temperature data). I'm afraid... should i spend 15 dollars to try the luck on a new battery?, is the temperature sensor installed on the battery or the phone? Anyone booting from CHARGER ONLY, NO BATTERY INSTALLED getting "Overheat" status on cpu-z temperature readings? I would like to fix this phone to keep it... I like collecting phones.
After the battery depleted I managed to recharge it alone on a.universal charger, manually. I can't say its a comfortable way to charge it, but still the only way. Unfortunately I threw the "new battery" away so I can't say if it would say "Overheat " too to determine if it's a phones problem. Big fault
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Hey Folks,
I have a Samsung Galaxy SII (SGH-i777) that I used a couple of years ago. It was my first Android phone and I loved it very much (until corporate made me an iSheep).
The phone was retired to a shoe box for the last 1+ years and I recently dug it up so I could get it set up for my little bro who somehow recently fell on his phone with it in his pocket and shattered the screen (don't ask... I don't get it either).
Anyways long story short -- the phone sat idle for a long time, when I pulled it out it wouldn't boot up at all. Assumed that the battery had discharged so I plugged it in to see if it would start up. The battery logo would intermittently flash on the screen and show a drained battery logo but even letting the phone sit for a day did not provide me any results.
Fast forward 3-6 months. Today I replaced the charging board thinking that there was some issue with the USB connector on the phone that was preventing it from getting power. Once that was done I discovered that I was able to get the phone to boot into Odin mode. Great! No boot, no recovery, but download mode seemed to be better than nothing.
I have tried, in vain, to flash stock firmware to this phone via Odin, and even though all indicators point to it being successful, once I finish the Samsung logo comes up on the screen, goes off and that's it. I can see the 4 LEDs on the buttons at the bottom of the phone flash every 5 seconds as well as a faint flicker on the screen staggered between the LED flashes.
Looking for any further suggestions as to what I may be able to try. I have searched various sources on XDA and other sources but I haven't quite found anything that matches my exact symptoms.
Furthermore, I can't be sure what Kernel/ROM I was last running on this phone. Maybe Siyah kernel, maybe CM 10,1 with Flux kernel. Idk.
Any input is appreciated!
Seems I should mention this other detail --
With the battery in, I cannot get into download mode -- it just states 'Low Battery!! Can't Download!!" This is presumably due to the fact that the battery is completely discharged -- maybe incapable of holding a charge but perhaps this is indicative of a more serious hardware failure.
I'd guess the battery is completely shot.
I bought a replacement battery from here: http://www.ebay.com/itm/111014533334?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
No problems with it.
bleggy said:
I'd guess the battery is completely shot.
I bought a replacement battery from here: http://www.ebay.com/itm/111014533334?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
No problems with it.
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Very likely --
Since you got me to shift focus here, a quick search is telling me that it won't boot without a battery due to a feedback circuit. This would explain the ability to go into download mode but the lack of boot / flashing LEDs I guess.
Can someone confirm?
If the phone was working normally when it was put away, I would expect it to be working normally when it was pulled it back out. Your story is a little confusing, but did you ever try booting the phone with a fully charged battery? In the circumstances you describe, that would be the first logical trouble shooting step. And if you haven't tried that, then it is still the next logical trouble shooting step. Also, you can't assume that the original battery that you left in the phone is still able to hold a charge. It still may be good, but you can't assume that for testing purposes. Incidentally, the battery should have been pulled from the phone before it was put away.
I do not get any indication that the original battery is actually charging. Charging icon just flashes on the screen briefly in between LED and screen flashes (again, presumably due to the battery being completely dead/incapable of holding a charge since I left it in the phone this entire time).
I guess I'll go ahead and buy another battery and see what happens.
It is my understanding then that this phone will not boot on the charger without battery due to a feedback circuit. Correct?
kleinschmizzy said:
I do not get any indication that the original battery is actually charging. Charging icon just flashes on the screen briefly in between LED and screen flashes (again, presumably due to the battery being completely dead/incapable of holding a charge since I left it in the phone this entire time).
I guess I'll go ahead and buy another battery and see what happens.
It is my understanding then that this phone will not boot on the charger without battery due to a feedback circuit. Correct?
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Even if the battery is good, but fully discharged, it may not charge in the phone. You would have to have an external charger. Phones are not consistent, and many phones probably would charge a fully discharged battery, but I have seen a number of people report that a fully discharged battery would cause the exact same behavior as you report. If it were mine, I wouldn't throw the battery away yet.
If you know anyone with an I777, you could borrow their fully charged battery for a few minutes just to see if your phone will boot.
You are correct that the phone will not boot on the charger when the battery is out, although you should be able to successfully flash firmware through Odin with the battery out, and the computer supplying the power, but still, as far as I know, it will not boot after the flash without a working battery.
The battery was indeed at fault. Ordered a new one on Amazon, popped it in and voila -- we're up and running.
Thanks for the input guys! Much appreciated!
So, I recently received my dad's old Galaxy S2. Stock JB, unrooted. My dad used to charge the phone in his car and during office time, whereas I've always been an "overnight" charger (keep this in mind as it's important). So, here's what happened -
1. I woke up really late the next day and realised that the alarm clock hadn't rung. checked out the phone beside me to see that it was really hot. The phone had shut down by itself. I turned it on and it functioned normally. That day I rooted the phone using PhilZ (mainly for the adfree app)
2. I didn't do an overnight charge for the next night cause my dad told me that "it ruins the battery". And the phone was fine the next morning. I changed to dorimanx's kernel for all the wonderful extra features.
3. That night, I decided to try overnight charging once again. Woke up the next day to a shock. It was 10am! No alarm, hot phone. I thought the phone had just shut down again, so i tried to switch it on. It showed the samsung boot screen and then the pretty "dorimanx" screen, but then.. stuck. the device wasn't starting, but recovery was working. I removed the battery, I wiped the cache, I installed another kernel (siyah)... nothing worked. FInally, I decided to try flashing a new rom. Downloaded SlimKat and flashed it through CWM. The device then booted up and has been working quite normally now. And I like SlimKat much more than stock! But that's not the point. The point is, I'm scared of charging overnight again.
None of my previous phones have faced this problem. I'm just a noob, but I have a theory. I noticed that the phone, once it reaches 100%, doesn't give any indication that it has stopped charging (like most phones do). The charging icon on the battery still shows. Does this mean that the phone is still trying to charge even after the full battery, which is causing the overheating and shutdown of the phone? I'm still confused regarding why it refused to boot up.
Is this a battery/device problem, or was this merely due to some fault in the stock rom?
You were actually stock in a boot loop (which has happened to me before(hated it). Be glad that it didntt freeze at the Samsung logo. Because then you couldn't get into the CWM.
I am not entirely sure what is wrong with your phones battery, because I have never had this problem myself, so I am sorry I can help you with that. Try going to settings/battery and see if you can turn sound on for the battery from there. :thumbup:
Sent from my SGH-T959V
Given the age of the battery it's likely to be the battery, so replace that first. Could also be the USB board, but cross that bridge when you come to it (try the easier option first).
Your old man is wrong about charging - constant charging/discharging like he did for however long is far more likely to reduce a battery's useful life than a simple use the phone during the day charge once overnight arrangement.
Hello all. It's been a long time since I've been to this section of XDA, glad to see it's still got some life left.
I'm trying to get my old i777 working so a friend of mine can borrow it. If I remember correctly, it was running an AOKP rom when I stored it well over a year ago, and it was fine. Today I went to turn it on, nothing. I started charging it, let it go for a few hours. It still won't turn on; instead it's acting a bit strange. Every few seconds the screen flashes either the gray battery charging logo, an instant dim flash of the entire screen (a slight gray, nothing bright), or the home/back/etc buttons flash for an instant. When the charge logo appears, the screen brightens just before it goes off. All buttons are unresponsive, my computer does not recognize it. I've been unsuccessful in finding any real help with Google and searching XDA. The only advice I found was to plug it in without the battery, then put the battery in. This did not help. Any feedback would be appreciated - this little phone has a lot of sentimental value to me. It's been through hell and back, it survived my ex (who managed to break a Nokia 3310 and Nokia 920). If I have to put it to rest, I guess it's earned it, but I'd like to keep it going for just a while longer.
Did you store it away with the battery in the phone? If so, in a year, the battery could be completely drained and in some cases, that can cause a problem with charging, as in will not charge. Possibilities to test, use a fully charged battery by charging the existing battery with an external charger, or by using another battery. This would be the first thing I would try.
I am also having such a problem from time to time, when my battery is complitely drained. I am using such a device to bring the battery back to life. Always helps.
I usually plug mine into a higher powered charger like my s6 one and that gets it out of the loop.
A couple of days ago I replaced the battery on my Poco F1, because the phone is 2.5 years old and AccuBattery reckoned it was at 71% health. There were no issues with the phone, only that the battery life wasn’t as good as it once was (it was still running from 100% - 0% battery charge).
I bought the battery from AliExpress (this one to be precise) and the process of switching it out was easy and faultless, as far as I could tell.
The reassembled phone booted up fine and the new battery was at ~ 50% capacity. On the AliExpress listing it said to run the battery flat, which is what I did and it lasted quite a few hours - all good.
I then recharged the phone to full, as stated in the instructions. Regretfully, I interrupted the first recharge a couple of times by unplugging the phone for a few minutes each time. I'm telling you this for full disclosure - I'm unsure if this is likely to have caused the problem that I am now facing.
The fully recharged phone lasted a few hours and then shut itself down, whilst on ~ 70% battery I believe. This was the first time I realised there was a problem. The phone would not turn back on - holding down the power button and/or any combination of volume buttons did absolutely nothing. However, plugging the phone in caused the battery charging screen to appear instantly and subsequently, holding the power button whilst still plugged in would turn the phone on as normal. The phone would then boot up and battery percentage would be at ~70%, as it was when it shutdown (once booted, volume keys work fine). The phone would appear to charge as normal, but whenever I unplugged the phone, it would eventually shutdown on a high percentage after anything from a few seconds up to around an hour.
I thought I must have gotten a dodgy battery, so I took it out and put the original one back in. Now the old battery has all of the same symptoms as the new one – it won’t turn on unless plugged in and randomly shuts down after a period of time. If I manually turn the phone off when unplugged, it won’t turn back on unless it is plugged in. Also, a reboot just shuts it down.
I happened to have a spare charging port board, so I put that in to see if I’d fried something on there, but that hasn’t helped.
I’m tempted to reset the phone to stock (currently running Pixel Experience with TWRP installed) but am worried that it will brick the phone if it tries to reboot during the flashing process. Also, I believe that the fact I can’t force boot into fastboot with volume down/power buttons proves it is a hardware issue?
Any ideas are very welcome.
I think unless you have access to an EDL authorised account it's better to not flash MIUI at this stage. Risk of bricking the device...
07lema said:
A couple of days ago I replaced the battery on my Poco F1, because the phone is 2.5 years old and AccuBattery reckoned it was at 71% health. There were no issues with the phone, only that the battery life wasn’t as good as it once was (it was still running from 100% - 0% battery charge).
I bought the battery from AliExpress (this one to be precise) and the process of switching it out was easy and faultless, as far as I could tell.
The reassembled phone booted up fine and the new battery was at ~ 50% capacity. On the AliExpress listing it said to run the battery flat, which is what I did and it lasted quite a few hours - all good.
I then recharged the phone to full, as stated in the instructions. Regretfully, I interrupted the first recharge a couple of times by unplugging the phone for a few minutes each time. I'm telling you this for full disclosure - I'm unsure if this is likely to have caused the problem that I am now facing.
The fully recharged phone lasted a few hours and then shut itself down, whilst on ~ 70% battery I believe. This was the first time I realised there was a problem. The phone would not turn back on - holding down the power button and/or any combination of volume buttons did absolutely nothing. However, plugging the phone in caused the battery charging screen to appear instantly and subsequently, holding the power button whilst still plugged in would turn the phone on as normal. The phone would then boot up and battery percentage would be at ~70%, as it was when it shutdown (once booted, volume keys work fine). The phone would appear to charge as normal, but whenever I unplugged the phone, it would eventually shutdown on a high percentage after anything from a few seconds up to around an hour.
I thought I must have gotten a dodgy battery, so I took it out and put the original one back in. Now the old battery has all of the same symptoms as the new one – it won’t turn on unless plugged in and randomly shuts down after a period of time. If I manually turn the phone off when unplugged, it won’t turn back on unless it is plugged in. Also, a reboot just shuts it down.
I happened to have a spare charging port board, so I put that in to see if I’d fried something on there, but that hasn’t helped.
I’m tempted to reset the phone to stock (currently running Pixel Experience with TWRP installed) but am worried that it will brick the phone if it tries to reboot during the flashing process. Also, I believe that the fact I can’t force boot into fastboot with volume down/power buttons proves it is a hardware issue?
Any ideas are very welcome.
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Exactly the problem I am going through. It's all started today. I am currently running stock MIUI. It keeps boot looping if I do not plug the charger. But once it's plugged, it will load up normal.
amn1987 said:
I think unless you have access to an EDL authorised account it's better to not flash MIUI at this stage. Risk of bricking the device...
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I did flash stock MIUI in the end. Did not brick it, but also did not fix it. The phone now turns off immediately after being unplugged every time. I got myself a black Friday Poco X3 Pro so I'm now selling this phone for parts in UK
https://www.ebay.co.uk/itm/154819038771?mkevt=1&mkcid=16&mkrid=710-127635-2958-0
07lema said:
I did flash stock MIUI in the end. Did not brick it, but also did not fix it. The phone now turns off immediately after being unplugged every time. I got myself a black Friday Poco X3 Pro so I'm now selling this phone for parts in UK
https://www.ebay.co.uk/itm/154819038771?mkevt=1&mkcid=16&mkrid=710-127635-2958-0
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Click to collapse
It could be a buggy PMIC issue similar to https://forum.xda-developers.com/t/...android-11-0-vayu-bhima.4267263/post-85119331
Third-party batteries are mostly crap and probably the original battery is completely drained and the BMS isn't allowing it to be charged as a safety measure?
https://t.me/crDroidPoco/207293 Available in the EU.
So, I am having some problems to give a second life to this device.
I bought twice a battery to replace. The first one was clearly a second hand battery sold as new, which lasted 6 months, after which, it started to grow bigger in volume and its performance dropped dramatically lasting half an hour working. I tried to get a refund but no luck.
After that experience I tried a second seller who promises nothing less than 2 years warranty for the battery (wow). I bought a new original one and installed it. It seem in mint condition so I thought it would do it.
It worked everything aparently fine. I even installed a new custom room (i must admit that i am not sure if i did it right) But it appartenly worked. I had cRdroid with android 10 running smoothly on the phone. Not sure at this point if I rebooted after that. I think so.
The nightmare started once the battery ran out (I did it on purpose to calibrate de battery). The phone didn't wake up again. I started to have a blinking red notification led. It seemed not to be charging at all and indicating some problem with EDL mode or with very low battery. The fact is after trying long time charging, several chargers and cables, etc, i managed to get a yellow led light.
But what I can get by now is:
-if I plug a charger with a (sometimes) notification of a stuck 50% level of battery (wtf), sometimes bootloop, sometimes black screen
-Entering in fastboot mode with (vol- + power)
-Not able to enter recovery
-If I try to swich on it does not react to power button in any way.
I tried to flash all stock files by using xiaomimitool but it does not boot system afterthat (although i can get to stock recovery once at least after that)
i tried flashing twrp and it says ok installed but I cannot enter afterwards
and so on..
do i throw the phone away?
btw, it is unlocked and it is rn4 global sd version (mido)
I would have checked the battery voltage before flashing anything.
For me, I would have also taken the old, dead battery and used the the BMS PCB and connector off that and a bench power supply to power it up as a check.
Renate said:
I would have checked the battery voltage before flashing anything.
For me, I would have also taken the old, dead battery and used the the BMS PCB and connector off that and a bench power supply to power it up as a check.
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Hello (a bit late).
I find this to be something that I should have done more than a solution now the problem is here. Even tough I don't properly understand your proposition and I find I might not possess the tools that you explain.
I never though that replacing a battery would bring this problems.
I managed to bring back to life the battery. Now is working without problems, but only because I am avoiding the phone from completely discharge the battery and I am charging it before it dies. Otherwise I have the feeling that battery will go under voltage again.
Is there something I can do to avoid this? I have checked voltage with some app and lectures seem to be normal while its working: 4.38 v and going down while it discharges. I do not have the old battery.