N7105 switches off when not connected via usb cable - Galaxy Note II Q&A, Help & Troubleshooting

My note 2 has finally got stuck in a bootloop (refer to my previous thread) and I think I may have fixed it because I saw life with the "Samsung" logo after flashing the Android Revolution rom but disconnected the power cable because it always boots into that annoying "recharge" mode which claims the battery is at 100%. When I did that, the phone just switched off (as it has done recently) and won't turn back on without constant power supply.. I've tried leaving it to charge but it claims 100% and just keeps switching off..
The phone was (before the power issue) in a soft-brick and I have been flashing stock roms via odin in an attempt to solve the brick but after that it has been needing constant power.. Is there any solution?

Related

[Q] [Need Help] Unbrick Samsung Galaxy S3 SPH-L710

Hi everyone,
I am new as a poster to the forums here. Have been a lerker as needed for a year and a half or so now. Anyways, I have run into an issue with my S3. I have not attempted to substitute a custom ROM in place of the stock ROM, nor have I rooted the phone (I know, shame on me right?). When I awoke this morning, after a night charging, my phone now is stuck in a boot loop. It reboots and shows the battery charging spinning wheel sequence but never passes to the green battery indicator (Tested the battery in a friend's S3 and it is recognized and shows as being fully charged). After a moment it vibrates the screen goes black and when it comes back on simply remains in that same location. When holding Vol Up + Home + Power it attempts to start Recovery Mode but immediately fails and restarts taking me back to the boot loop. When holding Vol Down + Home + Power download mode remains on and working without issue. However, I tried to restore the stock ROM with ODIN and though it passed it remains in the boot loop (likely due to the fact that I was unable to wipe the phone in Recovery Mode first). Also, attempted Heimdall but it crashes. KIES is all but useless as it does not recognize the model SPH-L710 according to the error message given after entering the IMEI ID. Also tried pulling the battery, waiting, and then replacing but to no avail. Swapping batteries also does not resolve the issue. Have also remove additional SD card to isolate that from being the cause. So I am now turning to the excellent and knowledgeable community here for assistance. Thank you in advance for the help. Hopefully you can point me in the right direction.
Sprint Galaxy S3 LTE 16 GB
Model : SPH-L710
Thanks everyone,
Merlen
Sounds like it might be power button failure. There have been many reports of it. It's referred to as SDS, or sudden death syndrome.

[Q]HTC M8 only boots to cwm recovery and won't hold charge

Hi all,
A couple of days ago my verizon htc m8 would randomly have car mode or dock mode activated by itself. Additionally, it would turn to usb host mode so I could not charge it without charging while off for 10 mins, holding all buttons for 2 mins, and then releasing. Currently, my m8 will not hold a charge and will only turn on to cwm recovery when i plug it in with a charger or to my computer (but stays at 0%). I initially followed the instructions in this thread and changed philz touch to 6.26 but it still won't boot out of cwm recover. One time it did boot to the red verizon logo sign but then it went back into cwm. I'm kind of at a loss here. Any help would be greatly appreciated! thanks!
Sounds like you may have a damaged USB port. Not sure if the failure to boot is related, but I'm also not sure you can fix that, if the phone won't charge.

Phone only stays shows Sony Logo for a second and shut off

Hey guys.
I am having a problem with my phone (C6503) is when I boot up my phone, it will show the Sony logo for a second and shut off again. When I plug my phone into the charger, it will do this in a loop.
This all started when I flashed MIUI v5 from here (I have a locked bootloader, and it can't be unlocked): ( http://forum.xda-developers.com/showthread.php?t=2520793 ) and I was simply using it one time and it was suddenly shutting off on me. The phone would also would also say the battery was at 85% then shut off on me and when I turned it back on, it said it was 5%. It got worse, when I powered on my phone while the charger was in, it would boot up, and when I unplugged the charger, it would shut off. Now, when I power on the phone, it displays the Sony logo for a second, and then shuts off.
Thankfully, I can still access Flashboot and FastBoot mode on the phone when it's plugged into a computer.
At first, I thought it was my ROM that I flashed earlier, so I tried flashing a stock ROM that I came from earlier. I tried a couple of stock ROMs and it didn't work, I also tried flashing stock kernels to it, too, and no change. I'm starting to think that my phone could possibly be dying on me from a hardware prospective instead of a software prospective, and it may not be the ROM I flashed earlier, since I was able to use it earlier before this started to happen.
Any help will be thanked.
I`m having the exact same problem (it started when I flashed the same rom, btw), did you find a way to solve this?
I have this problem too... my xperia is c6504 and I can't find a stock for it, I tried everything.. need help

D855 Stuck in Bootloop-- Light Sensor and Vibration Still Work

I'm having a weird problem. Yesterday I was using my phone as I normally do-- texting, playing simple puzzle games, etc.-- when I noticed the battery was at about 2%. I wasn't very concerned so I tried to send one last text before it died. Shortly afterward it died with the usual "Powering Down" alert. I thought absolutely nothing of it and once I had access to a charger, I did what I normally do: I turn on my phone, wait for it to get past the LG splash screen, and I plug it in once it gets to the boot animation. I do this so my phone will turn on instead of going into charge only mode. Also, like usual, my phone's screen dimmed seconds after the boot animation began (I assume from my automatic light sensor settings), and I could feel it vibrating a little (also something it typically does upon boot).
However this is as far as it got. I was very confused when about an hour later, the phone still hadn't completed boot. I removed the battery, inserted it again, and tried once more telling myself that I would wait as long as I could instead of just an hour. Booting the second time gave me identical results-- everything is normal (light sensor response and vibration indicating the phone is powering on) yet it gets stuck. The only difference is that this time I got to see the entire bootloop.
After the boot animation screen has run for a while, I get the usual "Android is starting.... Optimizing app ## of ##" (#= actual numbers). Once it finishes, instead of booting my phone, it begins the boot animation again. If left alone it will cycle between the boot animation and the "Android is Starting" screen indefinitely.
TL;DR:
1. ) Caught in bootloop between boot animation screen and "Android is Starting... Optimizing app ## of ##" screen.
2. ) The screen still dims and there are little vibrations that usually tell me the phone is about to turn on.
I have tried:
- a hard reset- this yields only a slightly stronger vibration and it starts the bootloop again.
- Download mode- this does the same as the hard reset
- Removing battery for a while- no results
- Full charge to completely dead to full charge again on charge only mode- no results
I am running CM13 Nightlies from late February (not completely sure which exact date). Which I flashed without issue about a month ago. I do have Xposed and run various modules, but I was using nothing at the time and hadn't for about a month. My computer recognizes my phone as an LG G3 Device, but refuses to access any files.
Any help would be greatly appreciated!!
Phone not starting.
First remove phone battery, insert it again, do not start phone. Connect your phone to original charger and charge it, while charging with the charger start your phone. Your phone should start if yes/no report me immediately. Your phone battery is failing to start your phone (Due to Low Voltage in battery). Replace with original battery.
jit1108 said:
First remove phone battery, insert it again, do not start phone. Connect your phone to original charger and charge it, while charging with the charger start your phone. Your phone should start if yes/no report me immediately. Your phone battery is failing to start your phone (Due to Low Voltage in battery). Replace with original battery.
Click to expand...
Click to collapse
Alright, I removed the battery, reinserted it (without turning the phone on) plugged it into the wall charger (seeing the charge only battery animation), and attempted to turn it on. Whenever I try to turn my phone on after plugging it in, I get the LG splash screen followed by the battery charging animation. It never reaches the boot animation. I'll let it charge for a while and try again.
Thank you for the advice!
Okay, I let the phone charge completely and attempted to turn it on whilst plugged into the wall charger again. Unfortunately I had the same issue. The phone shows the LG splash screen and then the battery charging animation again-- no boot animation.
musiceas66 said:
Okay, I let the phone charge completely and attempted to turn it on whilst plugged into the wall charger again. Unfortunately I had the same issue. The phone shows the LG splash screen and then the battery charging animation again-- no boot animation.
Click to expand...
Click to collapse
just start with a full reflash , if it doesnt boot up its simply broken
Jhinta said:
just start with a full reflash , if it doesnt boot up its simply broken
Click to expand...
Click to collapse
Yeah, I'm trying to avoid a full reflash/data wipe. Since I haven't messed around with any Xposed modules or root apps, I also haven't backed up anything for quite a while. No abnormal apps were running before the battery died, which leads me to believe this can be solved somehow without a full wipe.
Also, I tried to use my boyfriend's battery to boot up my phone. I thought it might be a bad battery-- as some people on-line have mentioned. Unfortunately, it still refused to boot and it produced the same bootloop.
You see , if and not and this and that dont help . te only way to save files is to get acces by recovery or boot, you cant boot but possible you have recovery so start saving your files you need. when you have or dont have your files . you stil need your system to boot for that to happen, it needs to work. so flashing a default rom with wipe sould work if it doesnt you flash original if that doesnt work its dead
Verstuurd vanaf mijn LG-D855 met Tapatalk
I think I forgot to mention, I cannot access recovery mode. I have the latest TWRP installed, but attempting to boot into recovery gives me the same results-- endless bootanimation/ "Android is Starting" bootloop.
So no acces at all . so what do you do ? Read above! Anyway good luck
Verstuurd vanaf mijn LG-D855 met Tapatalk
Solved
I fixed my problem. It turns out I was being an idiot and got the method of entering recovery mode on the LG G3 confused with my Samsung tablet. I should be able to fix the bootloop on my own now. Thanks everyone for your help! Cheers to idiocy.
Hey, I have the exact same issue right now. Did you solve your problem, and how? I tried removing the battery and charging with original charger to 100%. I connected it to my PC, went into Download mode and clicked "Restore Upgrade Errors" in LG PC Suite. It successfully flashed the firmware update, then it said "Android is starting.... Optimizing app ## of ##". But after that it restarted into bootlop again. Also I noticed that sometimes it vibrates, and my LED (light sensor) doesn't light up anymore.
Any advice? I haven't tried replacing the battery yet.
simon710 said:
Hey, I have the exact same issue right now. Did you solve your problem, and how? I tried removing the battery and charging with original charger to 100%. I connected it to my PC, went into Download mode and clicked "Restore Upgrade Errors" in LG PC Suite. It successfully flashed the firmware update, then it said "Android is starting.... Optimizing app ## of ##". But after that it restarted into bootlop again. Also I noticed that sometimes it vibrates, and my LED (light sensor) doesn't light up anymore.
Any advice? I haven't tried replacing the battery yet.
Click to expand...
Click to collapse
Hi i have the same problem with my lg g3 d855, after a reflash hi is start and do android optimazig after the tel is start and do this over and over. help please
Hi, the solution that worked for me was to
1. install drivers
2.install LGUP
3.flash "LGD855P_D855P10a_04" - found here https://drive.google.com/file/d/18tlmVNK_ba0jIapJy-Sz5wamxbIXh8xH/view

Need help troubleshooting this issue

Firstly thanks for taking the time to view this and helping me out.
Yesterday I was out and my Galaxy s4 mini l9190 was on and charging using a power bank, checked the battery status a couple hours after and the phone was switched off. I switched it back on and was working fine till I restarted it the phone got stuck on the boot logo (Samsung logo). I tried booting into recovery (twrp) and it got stuck on the boot logo for the recovery as well. When i reached home I tried using Odin to narrow my issues but it got stuck on initializing status.
Currently when I try to switch my phone on it vibrates and nothing shows up, same goes with trying to boot into recovery, nothing shows up just a single vibrate. Only thing works is Download Mode.
Recovery: TWRP
OS: CM 13
Things to consider:
1) Connecting a wall outlet to charge doesn't show the charging status.
2) Shows up on Odin.
3) Battery was supposed to change because I had draining issues.
I Tried:
1) Holding down power button for 30 seconds with no battery in place.
2) Charging it (no charging status showing)
Can anyone help me?

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