strange behavior - Galaxy Tab S Q&A, Help & Troubleshooting

Replaced battery and charger port a few months ago - was working well thereafter. Recently it started to shut down randomly. Now it will not start, battery is charged. However, after attaching charger it will start with (power + down vol + home) but shut down after loading 1 app, sometimes displaying login image. I can also get recovery menu (with attached charger) but all options are no-op.
Is there any hope for this unit?:crying:

Related

[Q] GNex won't power up, won't charge HELP (T-T)

my phone is a Samsung Galaxy Nexus Maguro and it wouldn't power up.
Here's what happened:
1. I think it started when i was transferring files from my phone to pc, then a notification came up in the PC (Windows XP) over voltage detected.
2. Charged it through the outlet
3. Next morning, battery drained but i was still able to start it up and get to the home screen for a couple of seconds.
4. then i accidentally entered fastboot, (volume + power buttons down), didn't even know what it was till now, i just selected the "START" then pressed the power button.
Info that might help:
1. charger is working, tried on other phone
2. when i connect it to the PC i get a notification "OMAP 4400" detected then tries to search for a driver
3. When it is connected it shows the lightning bolt, then the battery animation for a couple of seconds then its gone.
4. Removed the battery (i read that, that's how you get out of the fastboot mode)
Update:
Still able to get to the home screen a while ago. I still do not know if its the USB hardware or just the battery. will try another battery when my friend gets back.
Solved the problem:
checked the cable, and its more of a connection problem. used another USB-microUSB cable (not provided w/ the phone).
Hope it helps other people having the same problem.

Phone not bricked, but usually won't boot in any way

Hello everyone, thank you for your time.
TL;DR: Phone boots into download mode up until "Downloading...", recovery mode until "RECOVERY BOOTING," and can only boot right when I put the battery in. The battery is fully charged, and I can boot up until my home screen only once so far. Will a jig fix the issue, or should I try to get the phone replaced by TMobile warranty as I have before?
I have a Galaxy S3 from TMobile, and have been running CyanogenMod for about a year now. 2 days ago I flashed a nightly release, which I assume was unstable. Yesterday, my screen was on and then my phone turned off (low battery, but 99% sure it was a crash rather than a power off), and did not boot up again. After attempting to pull the battery out, charge for hours, turn on and plug in (in different combinations), the furthest I could get was a couple of seconds of the CyanogenMod Galaxy S3 logo initial boot screen (not the rotating splash screen).
I took my phone to TMobile today and was about to get it replaced until I realized I didn't mask the flashes.
The last time I was in an exact same situation with the same phone model, and my flash counter was still showing custom firmware, yet I did manage to get it replaced effortlessly, but I didn't want to risk what was a possible fluke again.
I get home, and here's my current situation.
The only way the phone boots up in any manner is when I take the battery out and the charger is not plugged in. Here are the scenarios I run into:
1. Boots into download mode, can press VOL + to get to the "Downloading..." screen, then shuts off 2 seconds after.
2. Boots into recovery mode, only up until "RECOVERY BOOTING", then shuts off.
3. Boot by pressing power button, plug charger in, shows grey battery icon.
3. Boots into download mode, can press VOL -, either shuts off, OR
3b) Only after tons of tries, it booted up all the way up until my actual home screen, then shut off.
I can't have the charger plugged in while booting (pc or wall), and I can only boot right after I put the battery in.
Are there any suggestions as to what I should do? I was thinking of buying a jig from Amazon, but I don't know if it is hard bricked or not. Should I just attempt to get it replaced under warranty once again, even though it shows the flash count?
Thank you very much!
FIX: STUCK POWER BUTTON PROBLEM
So, one thing I didn't check. Take the battery out of the phone, wait about a minute. If it buzzes as if its powering on, that means that your power button (either the actual button itself or the switch on the mainboard) is stuck.
Solution: Smack the power button with your battery until your battery has a (small) dent. If it doesn't work, smack it a couple more times. Took me 2 tries, second try, phone didn't buzz when I put battery in. I press the power button, works like new. Absolutely....ridiculous

HTC M8 would not boot, black screen, no charge led

I have had the phone for around a year. Haven't flashed or rooted it to non-official ROMs. It had boot loop issue a few weeks ago which was solved using RUU to the official ROM. It worked fine until today.
Today, while using the camera, the phone stopped responding to touch and a message said that camera is not responding.
I shut down the phone using the power button.
When trying to restart the phone, it did not light at all.
The phone had a high charge when this happened.
Connecting to the wall does not light up the charging LED.
Using power + volume down or power + volume down for several minutes does nothing. Neither does shining light on it.
When connected to the computer, it loops Connected -> Unrecognized USB device -> Disconnected after 20 or so seconds.
Any ideas?
Thanks!
Try charging for several hours (overnight) and see if charge LED appears. Also try the button combos again after charging overnight. Use wall charger (not connected to PC, which can be too slow).
Try the button combos with and without the wall charger attached. Also try power + vol up and vol down (all at the same time).
When I connect it to the wall for a long time, the LED sometimes flashes orange and again a second later and the loop repeats every 20 seconds, similarly to the rate of the unrecognized device when connecting to USB.
Last night, there was a stage where it got to a constant orange LED but in the morning it was back to nothing or the slow double orange flash.
It is still under warranty and if it doesn't get fixed by itself, I'll hand it in for testing on Sunday.

New pixel C not charging - can it be charged in recovery mode?

This is the third new pixel C I've tried this week(!) and they've all had the identical problem.. It would be incredibly bad luck to have 3 defective devices so I'm wondering if this is a known problem and there's something I can do to fix it.
The device will never go further than flashing the google logo very briefly. The light bar shows all red for a fraction of a second, then nothing. After this point the display is blank and the light bar is dead and does not respond to tapping.
If I go into recovery and select 'turn off device', the light bar is responsive but just shows a single red segment.
I've also tried the usual 10-20 seconds power off and the volume up/down/power switch combinations.
Is there any way of getting the device to charge from recovery mode?
Wonder if it's reasonable to assume that recovery mode consumes less power so the problem is a deeply discharged battery and I think that is a significant issue with Lipo cells. I assume your " 10-20 seconds power off and the volume up/down/power switch combinations" are those recommended at https://support.google.com/nexus/troubleshooter/3337561?hl=en-GB&ref_topic=6023299
Is the Pixel C charger "intelligent" ? - try a basic charger or a PC if you have a usb A/C cable?
Booted to recovery, powered it down from recovery and left it 2 hours. After a couple of attempts it booted :victory:
I left my pixel c on charge for the night (usb charge hub, 5v/2a, way I've used to charge since I got it), pixel c keyboard attached in the laptop position.
This morning I got up and press the power button to check it is charged and it was sitting on 0% saying it was charging... Power it off, leave it plugged into the wall charger that came with it and 3hrs later still nothing.
Recovery, turn off, closed it up so the keyboard is in put in the bag move, now checked it is charging, 1 red segment flashes. See what happens next. Never had an issue in the previous 7 months of using this device. Very odd, hope it is ok soon... Best Android Tablet I've had, don't really want to buy a new one...
Edit: looks like it is all good. Phew!! Bit strange.
Just Recieved and the same
Another one here with the same "issue" or strange thing that it does before start charging
I have the same issue. I can't get the thing to turn on at all. How do I even get it into recovery?? All I get is the google logo for 1 second, then the bars turn red and everything turns off.
Power button does nothing. Power+Vol Down does nothing.
I have a similar issue! Welcome to 2021. I plug in to charge, lightbar goes to Google colors and then red. It'll do that back and forth without turning on. Any ideas?
Had same Problem. Press vol up and down and then Connect the charger. Then I coud boot in recovery mode. From there rebooted in Android and charge up

Stuck in low battery boot loop

Hello, Huawei gadget friends.
My watch started to go in to a "low power boot loop" a week ago so I left it alone hoping a full drain would restore it back to working condition, but alas not.
So now this is the situation:
1) press button, nothing happens
2) connect to power shows the charging icon (white battery with power sign) and then after a few mins commences a boot loop as follows
3) from the charging icon, then gives the "Device software can't be checked for corruption..." message
4) followed by the red Huawei logo, then a single vibrate and then back to step 3 above
5) removing the watch from the charger stops the boot loop but then shows the low battery icon (white battery with one bar).
In one or two occasions, I saw it boot up to the colorful spinning 4 android wear logo, but did not complete (did not show "Android Wear" before rebooting again.
I have tried getting it to recovery mode screen or fastboot but without success -- I keep getting the second buzz without fail.
When the beta of 1.5 came out, I tried it, but since then, have wiped my mac and don't have the adb/fastboot software anymore. From reading the forums, there is now some new software called TWRP. Please advise what I can do.
Would I be right to suspect that it is some battery problem? Is it beyond help? :crying:
Thanks in advance!
MMM
Edit: I have also left it on for several hours charging (and rebooting constantly), thinking that perhaps it is just low battery -- but no success.
I'm experiencing the same problem, i turned it off yesterday at 17% and connected to the pc this morning to charge. I immediately noticed that it started looping with the white icon and it doesn't turn on, nor boots into download mode.
Have you found any way to restore it?
Mine doesn't show the red HW logo, charged for some hours and nothing.
I noticed that the pc see that there's something connected, but keeps saying "USB not recognized". I don't know what to do, i may open up and disconnect the battery
EDIT: SOLVED, it was just the cable that broke somehow. I soldered a new cable to the circular base but that didn't work, but as soon as i received this i connected to the pc and started pressing the button randomly till it showed the battery logo and started charging
I got this when I plugged it into my laptop. Plugging it into a dedicated USB charger solved my problem - I suspect the power rating on the USB socket wasn't high enough to charge effectively or that the USB socket is faulty in some other way. From what I understand, not all USB sockets are equal in that some are suitable for high-drain devices, some not so much. So trying another USB port on your computer may also help (Unfortunately at the time I was backing up to an external HDD on the other USB so that option wasn't open to me).
guyz, i have tried my method it actually worked on Xperia X Perfomance
When it goes to Bootloop for Drained battery, i just plug the cable and perform activity block method By pressing and holing power and both volume up and down and when it hits the 1st viberation i just simply release the key. (remember dont hold it too much long after 1st single viberation just release the keys ) and your phone will go to block activity mode. charging light will change it colors from red to blue.. after 2 minutes just press power button then you ll get another viberation and your phone will be seen as charged 2% and then it will be normal again...
i think it happens when battery drained and phone is unexpectedly trying to go boot in first place.
thank you

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