Phone won't turn on after powering down? Look here. - HTC EVO 3D

So far, this has happened to me TWO times, both were fixed by doing a battery pull and removing the memory card.
Likely causes:
-I turned off fast boot, and powered the phone down.
-32GB Class 10 Wintec memory card.
-USB 3.0 extender cable.
-Nokia MicroUSB charging cable.
Problem:
After turning off fast boot (not sure if this is related) and completely powering down the phone, the charging light will go off, and not come back on. This prevents the phone from being able to be turned on and no amount of unplugging and plugging back in fixes it.
Solution:
Unplug the charging cable. I have had to do a battery pull twice, not only a battery pull but also removing my memory card and leaving it out. After putting the battery back in, the phone's charging light will come back on. At this point I unplug the cable again, pull the battery again, reinsert my memory card and battery, then plug it back in and the charging light will come on and the phone will power on.
I'm not sure if this is faulty hardware, a conflicting memory card, fast boot disabling, or just plain software issues, but I am going to try and see if I can pinpoint the exact combination of steps needed to reproduce this.
Can you guys please chime in if you've had this issue so I don't replace my phone for nothing? Thanks!

I have had this issue a few times now - but it could be because I have been um... well, hacking. I can't use my SD card anymore. I have to boot with it out of the phone until I can get home and do some repair work, haha.

Shinzul said:
I have had this issue a few times now - but it could be because I have been um... well, hacking. I can't use my SD card anymore. I have to boot with it out of the phone until I can get home and do some repair work, haha.
Click to expand...
Click to collapse
Looking forward to the fruits of your destroyed 3D!
We're all pulling for you bro

Biofall said:
Looking forward to the fruits of your destroyed 3D!
We're all pulling for you bro
Click to expand...
Click to collapse
This ^
Sent from my PG86100 using XDA App

Shinzul said:
I have had this issue a few times now - but it could be because I have been um... well, hacking. I can't use my SD card anymore. I have to boot with it out of the phone until I can get home and do some repair work, haha.
Click to expand...
Click to collapse
touche!!

Shinzul said:
I have had this issue a few times now - but it could be because I have been um... well, hacking. I can't use my SD card anymore. I have to boot with it out of the phone until I can get home and do some repair work, haha.
Click to expand...
Click to collapse
Fistpump!
Sent from my Evo3D

Ahaha, definitely something microsd related. works fine with stock 8GB
Either a ...file.....or.....something....eheh.

freeza said:
So far, this has happened to me TWO times, both were fixed by doing a battery pull and removing the memory card.
Likely causes:
-I turned off fast boot, and powered the phone down.
-32GB Class 10 Wintec memory card.
-USB 3.0 extender cable.
-Nokia MicroUSB charging cable.
Problem:
After turning off fast boot (not sure if this is related) and completely powering down the phone, the charging light will go off, and not come back on. This prevents the phone from being able to be turned on and no amount of unplugging and plugging back in fixes it.
Solution:
Unplug the charging cable. I have had to do a battery pull twice, not only a battery pull but also removing my memory card and leaving it out. After putting the battery back in, the phone's charging light will come back on. At this point I unplug the cable again, pull the battery again, reinsert my memory card and battery, then plug it back in and the charging light will come on and the phone will power on.
I'm not sure if this is faulty hardware, a conflicting memory card, fast boot disabling, or just plain software issues, but I am going to try and see if I can pinpoint the exact combination of steps needed to reproduce this.
Can you guys please chime in if you've had this issue so I don't replace my phone for nothing? Thanks!
Click to expand...
Click to collapse
http://www.newegg.com/Product/Product.aspx?Item=N82E16820161411 said:
Pros: First, I have to say I am coming back to write a review because of Wintec's support! I've been emailing them back and forth, and today, 2 days after my last email, they called me out of the blue to get more details - and to pass me straight to the tech. Impressive.
(back on topic) After reading the other reviews here, I put this card through the ringer from day one for about a solid week. Using www.iozone.org, I really loaded it up to beat on it for 2 hours at a time.
It passed any and all tests, hands down.
Rated as a Class 10 for 10 MB/s substained write speeds, I averaged ~18 MB/s with this card, sometimes peaking to 24 MB/s. PASS
Also, read was much higher than expected.
Seek time, not so much (see cons).
Cons: Windows Phone 7 has the highest requirements in the industry for microSDHC cards. Specifically, it seems cards with a random seek time of 8 ms or faster is about the only cards that works in Windows Phone 7 (aka WP7).
This is not one of those cards. And you'll be hard pressed to find a microSDHC card that advertises as such, as they are pretty much a shoot in the barrel.
This card measured a very low 18 ms on random seek time. When installing this card in my WP7 device, as expected, random reboots happened and applications crashed, as well as sever delays in launching applications.
Sticking in the stock Sandisk Class 4 card worked fine. I ended up purchasing a Sandisk 32 GB Class 2 card and and it measured 7 ms, with a WRITE that matched the OEM Class 4 card of 6.8 MB/s. That card works perfectly in my WP7. This Wintect card, did not.
This card is not suited for mobile phones because mobile phones require near-instant lookups to random data.
Other Thoughts: Buy this card for cameras that need very fast write speeds. It will exceed your expectations (or at least any card you own).
Do NOT buy this card for your mobile phone (Android, WP7, WinMo, etc).
Click to expand...
Click to collapse
Freeza
I was also looking into getting a 32 gb class 10 card but came around this post in the NewEgg feedback section. It is regarding the Wintec Card no less. This may be your problem. (http://www.newegg.com/Product/Product.aspx?Item=N82E16820161411)
-reg

I agree, it's probably that card. I got one last Dec and it was so unreliable in my Hero I had to go back to my Sandisk.

hope my cheapy class 1 16gb works okay

Just kidding guys, I have been able to reproduce this problem every single time without fail now.
Steps:
-Plug charger in.
-Turn off fast boot. Settings>Power>uncheck fastboot
-Power down phone (while charger is in)
voila.
Remove battery and memory card, unplug charger, put battery and card back in, plug in charger. Problem solved.
Seems to do with having the phone plugged in while disabling fast boot/shutting down with a memory card in, because If I repeat the steps with a memory card already out, it works fine.
Interesting to see if this is just my unit.
Anyone wanna try?

Related

Nook Tablet Sleeping Death

When the Nook Tablet runs low on battery, it will turn off. Duh..
However, what happens when the battery gets too low? It goes into a "sleeping death" mode. I theorize this is caused by a lack of power management when the device is in sleeping condition.
Here is the related portion of my UART log.. Put in simple terms:wires hooked up internally to read what would be "BIOS" on a desktop or laptop.
Code:
fullcap0=0x2067 VFSOC=0x08f0 remcap=0x02e5
fullcap0=battery full capacity
VFSOC= Voltage for? System On a Chip- the value required for the device to operate
remcap= remaining capacity
These values are checked before the screen even turns on. So, if the Nook Tablet has a dead battery, the processor will initialize, then turn off before turning on the screen. The device appears to be totally dead.
I verified that a standard USB cable will charge the device even when it's completely off. I do not have a Barnes and Nobel cable currently, so I don't know if this applies.
The solution is to leave the device plugged in for 2 hours, then attempt to turn it on.
I hope this helps someone who would otherwise return a totally operational device.
I purposefully ran my nt down to see how low it would go and what happens when the battery runs out. I got it down to somewhere around 4% before it went black. I then plugged in the nt wall charger and tried turning it on. Nothing happened. I waited a few minutes and tried again. It was then flashing a message about critically low battery on the screen and to wait 15 minutes before trying again. It was probably 5-10 minutes later that it actually booted into android.
Just to clarify, it flashed red text on black screen when too low to power on fully.
nook tablet wont charge
I have the nook tablet and last night the battery died and brought up a screen that said "battery to low to power on, please connect your charger" so I connected the nook charger and the little "n" on the cable lit up, but the screen just keeps flashing (once a minute or so without me touching it) the battery to low message. Everytime the message pops up the "n" on the charger changes color from Orange to green. Left it to charge all night and this morning more of the same. Any thoughts? Thanks in advance.
16GB
8GB SD card
Rooted
Purchased at christmas
My friend's nook tablet had the same problem.
http://forum.xda-developers.com/showthread.php?p=23836518#post23836518
Even after leaving it plugged up with the nook charger over night, it would not boot. I guess I should have tried a standard micro usb plug.
I ran into the same problem a couple of daya earlier. I tried a standard mini usb charger but my tablet woulbnt boot. Then I tried b&n charger and cable. After around 20 minutes I found it booted and charging.
I noted that standerd mini-usb chargers outputs ampere are far lower than bn chargers. For example nokia charger : 1200mA, sony erricsson : 850 mA and b&n charger : 1.9 A. Does it have to do anything with this?
Sent from my Nook Tablet using XDA
Thanks for the responses. I contacted Barnes and noble last night and they seem to think that it is the cable. They are sending a new one. I will update when it comes in. Thanks again.
mamnun said:
I ran into the same problem a couple of daya earlier. I tried a standard mini usb charger but my tablet woulbnt boot. Then I tried b&n charger and cable. After around 20 minutes I found it booted and charging.
I noted that standerd mini-usb chargers outputs ampere are far lower than bn chargers. For example nokia charger : 1200mA, sony erricsson : 850 mA and b&n charger : 1.9 A. Does it have to do anything with this?
Sent from my Nook Tablet using XDA
Click to expand...
Click to collapse
The B&N cables are known to stop working after a while. Guess its built a little on the cheap side and the end that plugs into the nook is the problem as it is to heavy and so it bends the plug and causing it to snap off on the inside which of course is a bad thing. Some of the pins snap and thus causes problems.
My nook is doing the same thing. Thing is that im on my second B&N cord and my phone cord which usually charges it wont charge it either. The screen just say battery too low.. wait 15 minutes.
I'm wondering if making a bootable sd card will solve the problem.
Ended up taking mine to the b&n store after the new cable didn't help. They ended up replacing my NT all together.
bustedukulele said:
My nook is doing the same thing. Thing is that im on my second B&N cord and my phone cord which usually charges it wont charge it either. The screen just say battery too low.. wait 15 minutes.
I'm wondering if making a bootable sd card will solve the problem.
Click to expand...
Click to collapse
A regular micro sd cable will not charge the nook. The receptacles for it are set in deeper than normal and thus the reason for the extended microsd pins on the nook tablet charger.
Cubanluke88 said:
A regular micro sd cable will not charge the nook. The receptacles for it are set in deeper than normal and thus the reason for the extended microsd pins on the nook tablet charger.
Click to expand...
Click to collapse
I guess my question is if I make a bootable SD card is there a way for me to force my nook to restart through the computer?
bustedukulele said:
is there a way for me to force my nook to restart through the computer?
Click to expand...
Click to collapse
sorry for asking a question about a question... is your adb running ?
old_fart said:
sorry for asking a question about a question... is your adb running ?
Click to expand...
Click to collapse
No, I have not set up ADB on my computer. If I do so, can I force my nook to reboot using ADB?
Code:
adb reboot
Should do the trick.
Just wanted to post an update.... i made a bootable SD card and inserted it in my nook... one push of the power button had clockwork recovery up.
Once i had a ROM installed the battery read that it was full.
Thanks for your replies. I'm glad i don't have to replace it
Sent from my ADR6400L using XDA

[Q] SD Card overheating itself and anything it's in. Did my phone screw it up?

I have a 4gb micro SD card and today I had to do a battery pull because my phone decided to have one of it's 'random freeze moments' as I was downloading a song. When I turned my phone back on, my phone didn't recognize my SD card, just acted as if there wasn't one, so I took off the battery cover and pulled out the SD card and it was really hot. It was also very slightly bent out of shape and had a tiny crack across the halfway mark. I'm scared to try and bend it back because I don't wanna break it in half. Later I put it into an adapter (it somehow fit enough to slide in) and plugged it into my computer. The computer did nothing for a few minutes, so I decided to just pull it out. I put my fingers on the adapter (it's a usb cord that I can put my micro SD card in) and it almost burned my fingers off.
I know now not to be an idiot and buy a not-so-great card and to backup everything I have, but is there any way I can get the stuff on the card back or is it gone? And am I safe to put another SD card in my phone or will it turn it into a stove?
Any help greatly appreciated. Thank you in advance!
Me too
magnoidgoat said:
I have a 4gb micro SD card and today I had to do a battery pull because my phone decided to have one of it's 'random freeze moments' as I was downloading a song. When I turned my phone back on, my phone didn't recognize my SD card, just acted as if there wasn't one, so I took off the battery cover and pulled out the SD card and it was really hot. It was also very slightly bent out of shape and had a tiny crack across the halfway mark. I'm scared to try and bend it back because I don't wanna break it in half. Later I put it into an adapter (it somehow fit enough to slide in) and plugged it into my computer. The computer did nothing for a few minutes, so I decided to just pull it out. I put my fingers on the adapter (it's a usb cord that I can put my micro SD card in) and it almost burned my fingers off.
I know now not to be an idiot and buy a not-so-great card and to backup everything I have, but is there any way I can get the stuff on the card back or is it gone? And am I safe to put another SD card in my phone or will it turn it into a stove?
Any help greatly appreciated. Thank you in advance!
Click to expand...
Click to collapse
Almost exactly the same thing happened with my 16BG Micro SD in my Droid 4. There was no obvious crack or deformity, but my phone battery was draining really quickly so I plugged it into the USB charger. A few minutes later, when I needed to move the phone out of my way it was CRAZY hot. I could not get the phone to "wake up" and tried shutting it down and restarting it, with no success. I plugged it back into the USB cord and the green light on the phone lit up, but the computer did NOT ask if I wanted to view the contents of the attached mass storage device. It generally does that hourly while attached. I called Verizon Tech Support and after being transferred to "Tier 2" I was told a replacement phone would be sent. I got to thinking about why the phone battery was draining so quickly and remembered I had turned on ALL the GPS/Location Service options for some app I ran the night before. I thought MAYBE I could somehow get the phone to turn on just long enough to turn those battery killers off. I left it attached to the PC, twice it started to turn on (Batwing/Droid logos) but changed its mind.
After work, I plugged into my wall charger figuring it wouldn't hurt, since a new phone is due to arrive Monday. After a few hours I could turn it on while attached to the charger, turn off the location services, and it slowly began to charge. It felt hot when I unplugged it, and the battery still seemed to be draining fast. Furthermore, it said my SD card was using an unrecognized file system, and offered to format it, but failed when I agreed. Next, I tried the MicroSD card in my tablet, which could not read it. It seemed the card was quite hot upon removal 20 minutes later. I put it in an adapter, and tried it on my laptop. I could see it listed as a drive "Removable Media" but could not access it as it was "unformatted". I tried formatting it within Windows but was unsuccessful. I dropped to DOS and tried running chkdsk, but was informed that chkdsk can not run on a RAW format drive. I haven't a CLUE what an RAW formatted drive is, but plan to Google it to find out. I tried formatting,(from the command prompt) and it would get most of the way through, then tell me that then FAT sector was bad. I tried again, before removing the "very VERY hot" card and adapter. Without an SD card, the phone was cool. I put in another card, and the battery is not draining particularly fast, the device seems cool, and I learned something new about SD cards, I had thought the advantage of solid state storage was cool operation, low power consumption, and less risk of data loss or corruption. But when it fails, it seems that all three qualities degrade simultaneously, and it runs hot, eats battery power, and you lose everything on it. Live and learn.
it is better not to insert one coz I think u might go to service center and check the hardware.
Sent from moon to earth........
Based on the statements youve made, Ive come to think that it is your phones overheating battery/CPU/GPU. Is your phone under warranty?
______________________________________
#DREAM HIGH THE SKY IS THE LIMIT#
Look UP, not DOWN
Galaxy Tab 2 7.0
PM me if you need help
Hit Thanks if i helped you
Lisa21222 said:
Almost exactly the same thing happened with my 16BG Micro SD in my Droid 4. There was no obvious crack or deformity, but my phone battery was draining really quickly so I plugged it into the USB charger. A few minutes later, when I needed to move the phone out of my way it was CRAZY hot. I could not get the phone to "wake up" and tried shutting it down and restarting it, with no success. I plugged it back into the USB cord and the green light on the phone lit up, but the computer did NOT ask if I wanted to view the contents of the attached mass storage device. It generally does that hourly while attached. I called Verizon Tech Support and after being transferred to "Tier 2" I was told a replacement phone would be sent. I got to thinking about why the phone battery was draining so quickly and remembered I had turned on ALL the GPS/Location Service options for some app I ran the night before. I thought MAYBE I could somehow get the phone to turn on just long enough to turn those battery killers off. I left it attached to the PC, twice it started to turn on (Batwing/Droid logos) but changed its mind.
After work, I plugged into my wall charger figuring it wouldn't hurt, since a new phone is due to arrive Monday. After a few hours I could turn it on while attached to the charger, turn off the location services, and it slowly began to charge. It felt hot when I unplugged it, and the battery still seemed to be draining fast. Furthermore, it said my SD card was using an unrecognized file system, and offered to format it, but failed when I agreed. Next, I tried the MicroSD card in my tablet, which could not read it. It seemed the card was quite hot upon removal 20 minutes later. I put it in an adapter, and tried it on my laptop. I could see it listed as a drive "Removable Media" but could not access it as it was "unformatted". I tried formatting it within Windows but was unsuccessful. I dropped to DOS and tried running chkdsk, but was informed that chkdsk can not run on a RAW format drive. I haven't a CLUE what an RAW formatted drive is, but plan to Google it to find out. I tried formatting,(from the command prompt) and it would get most of the way through, then tell me that then FAT sector was bad. I tried again, before removing the "very VERY hot" card and adapter. Without an SD card, the phone was cool. I put in another card, and the battery is not draining particularly fast, the device seems cool, and I learned something new about SD cards, I had thought the advantage of solid state storage was cool operation, low power consumption, and less risk of data loss or corruption. But when it fails, it seems that all three qualities degrade simultaneously, and it runs hot, eats battery power, and you lose everything on it. Live and learn.
Click to expand...
Click to collapse
I registered to say me too.
This is almost identical to what happened to me.
I lost some work too.
I had to reset my phone.
Shortly afterwards, the phone did an operating system update.
I posted in the off chance that someone knows how to retrieve the data from the SD card in the future
Thanks
Lisa21222 said:
Almost exactly the same thing happened with my 16BG Micro SD in my Droid 4. There was no obvious crack or deformity, but my phone battery was draining really quickly so I plugged it into the USB charger. A few minutes later, when I needed to move the phone out of my way it was CRAZY hot. I could not get the phone to "wake up" and tried shutting it down and restarting it, with no success. I plugged it back into the USB cord and the green light on the phone lit up, but the computer did NOT ask if I wanted to view the contents of the attached mass storage device. It generally does that hourly while attached. I called Verizon Tech Support and after being transferred to "Tier 2" I was told a replacement phone would be sent. I got to thinking about why the phone battery was draining so quickly and remembered I had turned on ALL the GPS/Location Service options for some app I ran the night before. I thought MAYBE I could somehow get the phone to turn on just long enough to turn those battery killers off. I left it attached to the PC, twice it started to turn on (Batwing/Droid logos) but changed its mind.
After work, I plugged into my wall charger figuring it wouldn't hurt, since a new phone is due to arrive Monday. After a few hours I could turn it on while attached to the charger, turn off the location services, and it slowly began to charge. It felt hot when I unplugged it, and the battery still seemed to be draining fast. Furthermore, it said my SD card was using an unrecognized file system, and offered to format it, but failed when I agreed. Next, I tried the MicroSD card in my tablet, which could not read it. It seemed the card was quite hot upon removal 20 minutes later. I put it in an adapter, and tried it on my laptop. I could see it listed as a drive "Removable Media" but could not access it as it was "unformatted". I tried formatting it within Windows but was unsuccessful. I dropped to DOS and tried running chkdsk, but was informed that chkdsk can not run on a RAW format drive. I haven't a CLUE what an RAW formatted drive is, but plan to Google it to find out. I tried formatting,(from the command prompt) and it would get most of the way through, then tell me that then FAT sector was bad. I tried again, before removing the "very VERY hot" card and adapter. Without an SD card, the phone was cool. I put in another card, and the battery is not draining particularly fast, the device seems cool, and I learned something new about SD cards, I had thought the advantage of solid state storage was cool operation, low power consumption, and less risk of data loss or corruption. But when it fails, it seems that all three qualities degrade simultaneously, and it runs hot, eats battery power, and you lose everything on it. Live and learn.
Click to expand...
Click to collapse
That almost sounds like the card internally shorted so it was drawing a bunch of current which would lead to heat and battery drain issues. Flash memory is usually more reliable since its solid state but theres always the possibility of hardware failure. Was this card brand new or did it just start acting up one day? If it was relatively new I'd try getting it warrantied, since this sounds like a hardware defect.
yup.. I got a problem aftwr trying to put it on my rasp pi 3b plus.. then when i try to check or insert again on my laptop.. my 128 gb.. got hot so quickly.. i think its hardware.. but damn.. i just bought it few days back

Phone (fakes) death!

Hei Guys.
My phone is shut down and i haven't managed to get it working in any way i could think of. No LED, no vibrating. nothing!
What did i do ? Just normal Everyday usage! New: Got a 64GB microSD card. Used that for 4-6 days without any problems! Switched from Pop3 to Active Exchange mail server to get Push emails. worked fine! Used an Canadian USB to micro USB cable (original SE Jack!) to charge phone.
Used it the whole day normaly. was on 64% battery at lunch, used it to brows the web, checked some e-mails
Then! around 3-4pm i felt the virbating. Took a look at my phone. 15% Battery! W00t? No idea why ? it was idle in my pocket! 3-10 minutes Later i felt a 2nd virbrating. And phone went off! Forever! RIP.
The Battery is still alive! Got a multimeter here, still 3.7Volt !
Pluged USB to computer and connected with Phone! Nothing happened! Even after 2h. and battery is still on 3.7V.
What i Tried:
Press Power button for 30sec
Press Power button for 3 minutes
Press Power button and back.
Take battery out.
Return Battery while USB is connected.
Return Battery while USB is connected and i press back
Return Battery while usb is connected and i press Power and Back
Nothing happening
Any1 a genious idea how i could safe it ? i think i'm not on waranty anymore(not sure though...)
...
WTF ? Took Simcard out. din't help!
Used old phone for a while. Wanted to RMA my X10i, check: doesnt work! *Oh wait, sill 64gb SD Card inside!* Take micro SD card out. insert battery, WORKS!!!
says 17% Battery life. and i had it connected via USB for something like 3-4h!
wtf ? seriously?
No Joking! Sandisk 64GB MicroSD card class 6. Phone donesnt move!
Transcend 32gb MicroSD Card! Phone Starts!
no MicroSD Card! Phone Starts!
Dear Sony! Pleas consider making phones which you can change Card without taking out the Battery -.-
i think this phone supports only 32 gb!!!!!
addak said:
i think this phone supports only 32 gb!!!!!
Click to expand...
Click to collapse
Oficially! yes.
Insert the card, reformat from EXT4 to (whatever it does if you press format in your phone) and the Card runs fine ! at least did....
Panic over
Sent from my X10i using xda premium
I dont understand did u solve problem or what?
Sent from my X10S using XDA

[Q] Nook tablet never turns back on once battery dies

I bought three nook tablets, put NT-CWM-SD on a sd card then installed sgt7-10-20121209-meghd00t-acclaim on all three.
All three ran great installed many apps on each one. Once all three battery drained none of the tablets turn back on. The N on the usb charger is green and has been plugged in for 24 hours.
One known/reported issue with many recent CM10 builds is the NT while asleep will not detect USB cable insertion and kick into charging mode; one would have to wake it up with the power button or "N" button for it to go into charging mode (afterward one then put it back to sleep with power button and it will stay in charging mode).
I suspect your problem might have the same underlying root cause.
The only "shot in the dark" thing I can suggest trying is to stick in a bootable SD card (e.g., your CWM SDcard), then insert the powered USB cable -- hopefully with luck that would jolt the NT to boot up and go into charging mode. Please provide feedback on whether this works.
I would also suggest that you report this on the SGT7 development and CM10 support threads -- so that other CM10 users know not to ever let their NT battery completely drain.
If it's anything like mine you cannot plug it in to charge while it's in standby. The "n" turns green right away. I have to "wake it up" and then it starts to take charge. ("n" turns orange)
Edit: LOL! Digixmax posted while I was writing!
asawi said:
...
Edit: LOL! Digixmax posted while I was writing!
Click to expand...
Click to collapse
Great minds think alike
Joke aside, I am now really concerned -- previously it had not occurred to me that the problem the OP reported is a logical and fatal corollary of the problem you/I/others had seen/reported.
If the bootable cwm doesn't do it, try making a bootable cm7 (this rom didn't have the bug)
NT no longer charging or waking up
baberswallet said:
I bought three nook tablets, put NT-CWM-SD on a sd card then installed sgt7-10-20121209-meghd00t-acclaim on all three.
All three ran great installed many apps on each one. Once all three battery drained none of the tablets turn back on. The N on the usb charger is green and has been plugged in for 24 hours.
Click to expand...
Click to collapse
I experienced this type of problem a few days ago on my NT. I replaced my charging cable and it started working fine.
nigelshea said:
I experienced this type of problem a few days ago on my NT. I replaced my charging cable and it started working fine.
Click to expand...
Click to collapse
Could it maybe be that you need to force a reboot or reset or whatever by holding the PowerOn and N keys at the same time? For a 20 second count on my NT 16GB.
It would be great to hear back from the OP if any of the above suggestion works.

[Q] Unusual Battery Drain, Micro SD problem, Scan Media

The problems I have in my SII(Rooted) is very unusual. First is what I have was the micro SD. It was suddenly write-protected. SO what I did, I opened root manager in ES file manager and made it from RO to RW but no difference, it still stays at RO. 2nd is, It only scanned SOME music files in my sd card and phone memory. It was like selected which will be put inside the music player. I did sdrescan but it only worked a bit and when I click to trigger to scan, it didn't work. It only read the other some (Not read) in the music player but still not the whole songs. And my 3rd major problem is my battery. I Did SetCPU and POWERMAX and Easy Battery Saver but the result is just the same. It sucks battery life like crazy. Every Music File I play (2-5 mins) It gets 2 PERCENT of the battery EACH. And only after 10 mins after plugging my phone out of my charger, it's 92 percent from 100 which usually have to be in 100 percent only or 99. This problem ruined also my datas inside my phone. All of my files are missing. Even the wifi passwords. Does anyone know the solution of this problems? The screenshot is my battery history. My battery crazy drain started when I went to a session where there aren't any cell signal. And when I got my phone back after the session it's only 56 from 92. And after that, my phone memory suddenly have 0.00B. Not kidding. My phone doesn't even have virus I checked it and all and I am forced to delete 8 apps. And then after that day my phone went to these problems. Changing to a new battery is not a solution. It's still a same result. And that's what I noticed is that the phone itself is the problem. The drain is going out of control.
seems like your SD card is broken? Can you run an integrity test on it?
Have you tried using your phone without the SD card for a day or two just to see how this affects battery life?
Also a Better Battery stats log would help analyse the source of the problem.
this will delete all your data on your phone (not full wipe)
go to settings>storage>scroll and when you see format sd card click it
Before you do this transport your foto's and important stuff on your pc or cloud storage.
and if this doesn't work try to format your external sdcard on your pc to fat32 i belief good luck!
---------- Post added at 09:00 PM ---------- Previous post was at 08:57 PM ----------
and for your battery do this:
while your phone is on charge it to 100%
and then go to recover mode and use clockworkmode or other recover mode's with wipe battery state avalible
and power off your phone and charge it to 100% and if it is 100% let it charge for 5 min
now pull your battery out and let your phone rest for 1 hour, and after a hour battery in phone on and hope that it work
I had some unusial battery drain (not so bad as yours) but it helped! good luck one again!
Try formatting you SD card in Fat32 mode via Windows
I got the same problem a years back with my SD card too.
When ever it's in my phone, it will keep in the restart loop, or restart normally then just shutdown itself until i had to remove the battery to on it again, or just shutdown randomly until i need to remove the battery to re-on it.
It even make my song or picture in the card unreadable or read in partial (song with annoying chirping sound, picture with annoying block/mosaic)...
Things get all good, when i just remove the SD card and use the phone without SD card.
I use a Kingmax 16G class 10, even format it into FAT32, scan the card (no bad sector at all)
So i contacted the manufacturer and stated my problem facing, they have no solution but change a new card.
Once the new card is put in, all the problem gone. i was wondering....
May be you can try change your SD card (if you have extra piece) to try it out.
Also I heard try not to use anything higher than class 4, but what makes it true, i'm still looking for the fact.
Jerryky said:
I got the same problem a years back with my SD card too.
When ever it's in my phone, it will keep in the restart loop, or restart normally then just shutdown itself until i had to remove the battery to on it again, or just shutdown randomly until i need to remove the battery to re-on it.
It even make my song or picture in the card unreadable or read in partial (song with annoying chirping sound, picture with annoying block/mosaic)...
Things get all good, when i just remove the SD card and use the phone without SD card.
I use a Kingmax 16G class 10, even format it into FAT32, scan the card (no bad sector at all)
So i contacted the manufacturer and stated my problem facing, they have no solution but change a new card.
Once the new card is put in, all the problem gone. i was wondering....
May be you can try change your SD card (if you have extra piece) to try it out.
Also I heard try not to use anything higher than class 4, but what makes it true, i'm still looking for the fact.
Click to expand...
Click to collapse
That actually helped.... My battery stopped draining fast.... holy crud thank you!
Thank you guys!!!
Wow you have pretty similar case with mine. Here the battery drain fast. It suddenly drain after i try to force turn off the phone due to stuck "i don't know why the phone stuck suddenly"
Sent from my GT-I9100 using Tapatalk 2
Wow you have pretty similar case with mine. Here the battery drain fast. It suddenly drain after i try to force turn off the phone due to stuck "i don't know why the phone stuck suddenly"
Sent from my GT-I9100 using Tapatalk 2

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