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[Q] Tab 7 2.0 is stuck on charging loop!

Hello. My sister has a Galaxy tab 2, and I rooted it several months ago. Today, after letting it on the charger last night, I find that the charging animation is on for a few seconds, then the device reboots and repeats the process. I couldn't connect to my laptop or get into recovery. I need to know what to do to fix it, do I use Odin and flash stock? Also, I'd like to put cyanogenmod 10 on it, what's the latest stable build, and how do you put it on the tab?

jrk190 said:
Hello. My sister has a Galaxy tab 2, and I rooted it several months ago. Today, after letting it on the charger last night, I find that the charging animation is on for a few seconds, then the device reboots and repeats the process. I couldn't connect to my laptop or get into recovery. I need to know what to do to fix it, do I use Odin and flash stock? Also, I'd like to put cyanogenmod 10 on it, what's the latest stable build, and how do you put it on the tab?
Click to expand...
Click to collapse
try to boot into recovery and wipe cache partition this might help you
and try latest aokp rom for tab 2 its great

I had recovery flashed, I somehow managed to fix this. I booted while holding the volume up and down buttons, then pressed, not held the power button. It wouldn't charge while it was on or off, so I powered off normally. It then started charging only when it was off. I used CWM's ROM manager to flash CWM, then backed up, wiped, and installed CM 10 stable. I'm a fan of Cyanogenmod, I've ran it on about every phone I've owned.

[q] moto g shutdown during 4.4.4 updating process and no sign sign of starting

Guys, I had my recovery flashed to stock again from TWRP, and was flashing the stock firmware with the help of this thread
http://forum.xda-developers.com/showpost.php?p=47820707&postcount=1
Now, I might have skipped to notice the following point in my impatience
Downgrading:
The 1st command "mfastboot flash partition gpt.bin" will fail on 4.4.2 to 4.3 downgrade. Skip this command if you are downgrading and continue with the other commands, which should work.
Click to expand...
Click to collapse
But still all went fine and I booted into my new stock firmware (4.3) and I got an OTA update for 4.4.4 and I downloaded it and went to install it. The device reboots, android starts its installation process and I left it there for it to finish.
Now starts the problem. I come to check the status of the updation process and the screen is off. I'm trying to turn on the phone and it just refuses to boot up. No LED notification light blinking, no white charging screen when connected to wall point charger. Just dead, just like that. The weird thing being, the battery charge was at 90%+ when it all started.
What should I do now. I tried vol down + power combo for 2 mins, just the power button for 2 mins and such combinations.
Help me out guys.
:crying::crying::crying:

joecizac said:
Guys, I had my recovery flashed to stock again from TWRP, and was flashing the stock firmware with the help of this thread
http://forum.xda-developers.com/showpost.php?p=47820707&postcount=1
Now, I might have skipped to notice the following point in my impatience
But still all went fine and I booted into my new stock firmware (4.3) and I got an OTA update for 4.4.4 and I downloaded it and went to install it. The device reboots, android starts its installation process and I left it there for it to finish.
Now starts the problem. I come to check the status of the updation process and the screen is off. I'm trying to turn on the phone and it just refuses to boot up. No LED notification light blinking, no white charging screen when connected to wall point charger. Just dead, just like that. The weird thing being, the battery charge was at 90%+ when it all started.
What should I do now. I tried vol down + power combo for 2 mins, just the power button for 2 mins and such combinations.
Help me out guys.
:crying::crying::crying:
Click to expand...
Click to collapse
Dude.. seems like your phone has been hardbricked!!!

tab 2 stucks on charging screen

Hey guys, I just bought a Galaxy Tab 2 for my aunt, and when I was installing the official CM11 I received an error message. Without a system, it booted right on cwm, until the battery ends. I put it to charge 2h ago but I just see a screen with a battery and a loading icon in the center, even if it's not plugged
i.imgur. com/9mbK828.jpg

Leave it plugged in for four hours, then try booting into recovery but make SURE IT IS UNPLUGGED. Otherwise you can't access download mode or recovery.

I did and worked, but the funny I that official CM11 was not working yet, so I downloaded an unofficial CM12 here on xda, and it's qorking well ¯\_(ツ)_/¯

LG G3 stuck in bootloop, even after flashing stock ROM

Device is a LG G3 D850, rooted, TWRP installed, stock ROM on 5.0.1
Here's the story: Yesterday I was browsing normally when the device froze up, then shut off. Wouldn't power on with the power button. I had to pull the battery and then it turned on. When the device booted back up, it was running very sluggish. Immediately noticed that the WiFi was constantly trying to turn on with no success (When entering the WiFi menu it only said "WiFi turning on"). Bluetooth would not turn on either. The battery was draining rapidly, about 20% in 30 minutes with no use. GSam Battery Monitor reported that Kernel (OS) had used 95% of the battery. I tried rebooting the phone with no success. Booted into recovery and cleared cache, no success. Couldn't find anything online besides people saying to try a different ROM/Stock rom or that they were told it was a failed motherboard. I tolerated using the phone into the night, but the battery was constantly draining and the phone temperature reported ~98 degrees even without use. The WiFi and Bluetooth never started working. Today, a few hours into the day, the phone shut off again. This time it started boot looping, going from the LG splash screen then the spinning AT&T screen, it would then hang and reboot (constantly boot looping). Battery pulls didnt help. Once or twice, the phone actually booted into the OS. After a minute it would start bootlooping again. I then booted into recovery and performed a factory reset. After the factory reset, the phone still bootlooped. I then booted into recovery and recovered to a previous nandroid backup. The phone booted up afterwards, with the WiFi actually working. After 5 minutes, the WiFi stopped working again and the phone proceeded to start bootlooping. My next attempt was to flash back to Stock ROM, using this method: http://forum.xda-developers.com/att-lg-g3/general/unroot-return-to-factory-stock-att-lg-g3-t2820827. The flash worked successfully, booting into the OS on the setup screen, but instantly started bootlooping again... The bootloop is a little different now, going from LG splash screen > Green android with blue spinning circle in his stomach > AT&T splash screen > then rebooting. I cant even get into TWRP now (When trying to boot into recovery and clicking yes on the default factory reset screen, it just reboots instead of going into TWRP) Im out of options, should I give up and buy a new device, or does somebody have any other suggestions?

ccraw said:
Device is a LG G3 D850, rooted, TWRP installed, stock ROM on 5.0.1
Here's the story: Yesterday I was browsing normally when the device froze up, then shut off. Wouldn't power on with the power button. I had to pull the battery and then it turned on. When the device booted back up, it was running very sluggish. Immediately noticed that the WiFi was constantly trying to turn on with no success (When entering the WiFi menu it only said "WiFi turning on"). Bluetooth would not turn on either. The battery was draining rapidly, about 20% in 30 minutes with no use. GSam Battery Monitor reported that Kernel (OS) had used 95% of the battery. I tried rebooting the phone with no success. Booted into recovery and cleared cache, no success. Couldn't find anything online besides people saying to try a different ROM/Stock rom or that they were told it was a failed motherboard. I tolerated using the phone into the night, but the battery was constantly draining and the phone temperature reported ~98 degrees even without use. The WiFi and Bluetooth never started working. Today, a few hours into the day, the phone shut off again. This time it started boot looping, going from the LG splash screen then the spinning AT&T screen, it would then hang and reboot (constantly boot looping). Battery pulls didnt help. Once or twice, the phone actually booted into the OS. After a minute it would start bootlooping again. I then booted into recovery and performed a factory reset. After the factory reset, the phone still bootlooped. I then booted into recovery and recovered to a previous nandroid backup. The phone booted up afterwards, with the WiFi actually working. After 5 minutes, the WiFi stopped working again and the phone proceeded to start bootlooping. My next attempt was to flash back to Stock ROM, using this method: http://forum.xda-developers.com/att-lg-g3/general/unroot-return-to-factory-stock-att-lg-g3-t2820827. The flash worked successfully, booting into the OS on the setup screen, but instantly started bootlooping again... The bootloop is a little different now, going from LG splash screen > Green android with blue spinning circle in his stomach > AT&T splash screen > then rebooting. I cant even get into TWRP now (When trying to boot into recovery and clicking yes on the default factory reset screen, it just reboots instead of going into TWRP) Im out of options, should I give up and buy a new device, or does somebody have any other suggestions?
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Sadly that is because of a hardware issue. Been happening. A lot lately.

hyelton said:
Sadly that is because of a hardware issue. Been happening. A lot lately.
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Click to collapse
Alright, that's what I had read. Just seemed like a software issue so I was hoping for the best. I went ahead and ordered a new device. Im guessing a full motherboard replacement would be required to fix the device?

Recurring Issue
Hello,
The same problem happened to me a few days ago so this is trully a recurring issue.
I also tried to fix my rom by reinstalling it, then tried to install multiple new rom, and finally flashed the original stock rom. I also am stuck on the bootloop issue.
I'm going to contact LG to see if they can do anything to repaire it but my hope are very low.
I'll try to update this message if I find a solution.

Mine just started bootlooping and no wifi and today it just died. Battery pulls didnt work either no power at all. Probably going to switch to the V30 when its released.
Sent from my One using Tapatalk

ccraw said:
Device is a LG G3 D850, rooted, TWRP installed, stock ROM on 5.0.1
Here's the story: Yesterday I was browsing normally when the device froze up, then shut off. Wouldn't power on with the power button. I had to pull the battery and then it turned on. When the device booted back up, it was running very sluggish. Immediately noticed that the WiFi was constantly trying to turn on with no success (When entering the WiFi menu it only said "WiFi turning on"). Bluetooth would not turn on either. The battery was draining rapidly, about 20% in 30 minutes with no use. GSam Battery Monitor reported that Kernel (OS) had used 95% of the battery. I tried rebooting the phone with no success. Booted into recovery and cleared cache, no success. Couldn't find anything online besides people saying to try a different ROM/Stock rom or that they were told it was a failed motherboard. I tolerated using the phone into the night, but the battery was constantly draining and the phone temperature reported ~98 degrees even without use. The WiFi and Bluetooth never started working. Today, a few hours into the day, the phone shut off again. This time it started boot looping, going from the LG splash screen then the spinning AT&T screen, it would then hang and reboot (constantly boot looping). Battery pulls didnt help. Once or twice, the phone actually booted into the OS. After a minute it would start bootlooping again. I then booted into recovery and performed a factory reset. After the factory reset, the phone still bootlooped. I then booted into recovery and recovered to a previous nandroid backup. The phone booted up afterwards, with the WiFi actually working. After 5 minutes, the WiFi stopped working again and the phone proceeded to start bootlooping. My next attempt was to flash back to Stock ROM, using this method: http://forum.xda-developers.com/att-lg-g3/general/unroot-return-to-factory-stock-att-lg-g3-t2820827. The flash worked successfully, booting into the OS on the setup screen, but instantly started bootlooping again... The bootloop is a little different now, going from LG splash screen > Green android with blue spinning circle in his stomach > AT&T splash screen > then rebooting. I cant even get into TWRP now (When trying to boot into recovery and clicking yes on the default factory reset screen, it just reboots instead of going into TWRP) Im out of options, should I give up and buy a new device, or does somebody have any other suggestions?
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Click to collapse
It's probably to late but theres another method returning to stock KitKat dont know the link off hand in development forums. Sucks you couldnt try no adb methods. Still have the Phone want to sell it i need a cheap screen ?

[Q] Google logo bootloop after flashing TWRP

Last night I tried to flash TWRP just because I wanted to go to a custom ROM- alas, the phone now will not go past the google logo. It usually hangs there for 10-ish seconds and then reboots. Occasionally hangs there indefinitely. It's not a power button issue- the button worked just fine before flashing and I've confirmed it still works normally with a multimeter.
I tried to reflash stock using the Google images and "flashall.bat", which says it succeeded- but the phone still loops. I can get into fastboot, but I get the bootloop even in recovery. Running the similar script through Nexus Root Toolkit always fails on flashing the system partition- usually a buffer error due to a sparse header. Can't even seem to get it to do the "fastboot boot TWRP.img" or whatnot. I've flashed KitKat, Lollipop, and MM stock roms to no avail- they all say they succeed, then continue to bootloop.
I've tried just about everything I've seen on here- but not being able to get into recovery hampers efforts like repairing the persist partition.
Help?

When you boot into recovery, the phone reboots itself? If it does, it could be a sign of a failing power button.
When flashing a stock ROM, are you flashing userdata.img and then performing a factory reset/wipe before booting the phone with a stock ROM for the first time?

When I can get into recovery (without a restart), the phone is totally fine.
I think part of the issue is that the battery ran down while I was trying to do the repair- hence it trying to restart and failing. Power button still seems fine (again, confirmed with a multimeter). I left it plugged in to my iPad charger (since that's a 2A charger) overnight and it was still blinking red in the morning. I moved it upstairs and now I can't even make it that far.
Perhaps the battery was just shot by the time I got the "repair" done, hence the boot loops. Is there any way to revive it shy of cutting open the battery + charging manually (with a bench supply) or just replacing the battery altogether? I may try doing a motherboard swap with my working Nexus 5 just to see if it is in fact the battery.

When the phone is powered off and connected to a power source, do you ever see a flashing red LED? You flashed the correct twrp for the hammerhead?
I would try a new battery because it seems like everything is working.