[q] please help! Stuck on boot options screen - Android Q&A, Help & Troubleshooting

Hello, this morning I restarted my phone because it was freezing and it turned on on the boot screen where it gives me options to Recover, Reboot, etc. The volume button broke a long time ago. It sometimes works to move the option but pushing the power button doesn't do anything. Is there anything I can do to restart my phone avoiding this screen? It goes there every time. Could one of the volume buttons be stuck? Please let me know because I really need my phone ASAP. Thank You!

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[Q] Extreme infinite loop - restart won't stop, power button works

Hello guys, I'll try to be as brieff as possible:
My cousin has a SGS3, which suddenly started showing the power options screen (when you long press power button). Now his phone restarts on its own every time. When you insert the battery, it turns on by itself. If you try to access download mode or recovery mode, it does it but restarts again. I read it may be the power button is not working properly, but I dissassembled the phone and the switch is works normally (it's not broken, either stuck). I read several solutions about clearing cache and stuff, but it just keeps restarting! Like if someone were pushing the powerbutton every time. Btw, he discovered he can turn the phone on and actually stop the phone from restarting if he continously presses the power button and menu button alternatively without stopping (which is useless). When he stops doing that, 3 secs later, it restarts again. Any suggestions?
It's a hardware fault, did you test the button with a meter?
If yes then something else is shorted, to power on when the battery is inserted.
Sent from my GT-I9300 using Tapatalk
Ah, so this is merely hardware. I did not test it, but now it seems clear something is wrong on the inside (which, unfortunately, I cannot help with). Thanks mate!

Issue has been solved but looking for explanation

So my friend's stock s3 started randomly rebooting recently and just couldn't get to the home screen without many tries. And it got worse this morning as she had spent about an hour to no result. The problem is the phone would keep rebooting during the GT-I9300 screen.. Most of the time it wouldn't get to the Samsung boot animation.. If I charged it, the battery logo would be shown as loading instead of charging.. After trying the hard reboot combination a few times which didn't work, I noticed that I could see the battery with green bar every time I pressed the power button!
So I tried something silly.. I kept pressing the power button repeatedly during boot and surprisingly it booted up to the home screen. However, without being charged, the phone would still suffer from boot loops (at that moment we confirmed that the pressing power button repeatedly would 100% work) . As we were desperate to understand the problem, I got to know some apps that she installed recently and uninstalled them. These are the apps that she recently installed and later uninstalled:
https://play.google.com/store/apps/details?id=vStudio.Android.Camera360
https://play.google.com/store/apps/details?id=com.fourricegroup.mc
https://play.google.com/store/apps/details?id=com.naturalmotion.clumsyninja
Guess what?! The bootloop has not happened till now! So the reason I'm writing this post is because of curiosity xD
1. How does pressing the power button repeatedly help the phone to boot up? If I stop pressing it before the locksreen, it would fail.
2. Can an app really cause a weird issue like this? Or is it just a coincidence that the phone magically got better after uninstalling the apps?
Hope to get some answer from you guys for learning purposes thanks in advance!
Sounds like your power button is faulty.

Help needed asap

Guys i was in my settings a few minutes ago and i came across a feature which enabled me to open up my notifications by just tapping the screen so i enabled it and went to the homescreen to test it! Upon tapping the screen the phone started maing a beeping noise and a blue line started scrolling continously downward on the screen! I cant turn the phone off ! I only seem to be able to reboot it which doesnt help! I needto power the phone off i assume and then maybe do a hard reset??? Advice needed please
anyone?
What setting did you access I don't believe anybody will be able to help if we don't know where you went and what you changed. The things you mention are very vague and don't really paint a picture of what is happening.
Also if you want to turn the phone off without using the on screen settings just hold onto the power button for about 10 seconds it should turn off, after that hold power, home button, and volume up to go into recovery to reset or what ever it is you please.
Also is it showing you an X and Y axis? If so then you just go into settings, developer settings, show screen updates and turn that off the grid should go away. I am not sure what your issue is but that seems like the most likely option.

Phone won't boot up, screen stays black only vibrate

Hello all,
When i try to boot my phone, there is only a vibrate but the screens stays off (not black, there is no backlight, the screen doesn't turn on).
Except when i press power + volume up, then i get the screen to go to recovery, fastboot, or boot normal but it doesn't matter which i choose, after that the screen goes off again.
Does anyone have any suggestions? Luckily i swapped phones a day before it broke so i wouldn't lose important files but it would be nice to be able to recover them.
Thanks in advance!

After splash screen, screen blank but phone sinks with BT & capacitive lights active

After splash screen, screen blank but phone sinks with BT & capacitive lights active
Today I tried to update my phone to the newest firmware (I think it was .210, but I know it was from August 5th on firmware finder...I know its a long time to wait to update, but I started a new job, moved to a new city, etc. so things have been super crazy). Unfortunately, after flashing with EMUI Flasher, the phone rebooted and then got an update failure. I restarted the phone and waited but the screen was black. However, my smart band paired and if I press the power button, the capacitive button lights turn on, but the screen is blank/black. I have tried rebooting, both regularly holding power for 20 seconds as well as holding the power key with volume up and then volume down. I can reboot into a recovery of sorts and tried to wipe cache and restart, as well as boot into safe mode, but both result in the black screen from before. I can also boot into fastboot, but don't know what I could do to fix this.
Any advice as to how I can save my phone would be really appreciated. I'm really hoping I don't have to wipe the phone.
Please help me!

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