Phone keeps restarting - OnePlus 5T Questions & Answers

Today my One Plus 5T which I've had for a few months randomly restarted while sitting on my desk. I didn't see the restart, but ever since then (a few hours now) it goes as follows:
Phone starts up, I see the One Plus logo.
I see the beginning of the oneplus logo.
Phone freezes with this logo.
Phone restarts.
GOTO step 1.
I can boot into recovery mode. but again suddenly restarts.. no luck.
I have tried to flash the phone but of no use.
This phone is completely stock, and I have not flashed it or rooted it. .
Any advice?

Why have you reposted a reddit thread here? Are you facing the exact same issue?

Related

Another Bootloop issue

I'm having problems getting my phone past the bootup screen. It first loads the logo then goes to the animated logo then the rethink possible animation and then finally gets stuck on the glowing samsung logo. It then shuts off and redoes the loop a couple of times until it stops with the battery charge up screen and freezes there until I remove the battery.
History: Purchased an att phone for the mb to replace my original phones because it had the insane chip. Had to root it to be able to unlock the phone with my carrier(telus). Since I was in it I flash the DN4 custom rom and everything needed into the phone. The phone functioned fine for about a month and then frequent freezes and restarts started happening. Near the end, the phone was stuck in a boot loop, loading into the DN4 animation boot screen then shutting itself off then on again to endlessly repeat the loop.
Present: At first I was able to get into TWRP and tried some things in there but nothing happened. When there I notice it stated "internal memory 0"-not sure if this means anything.
I was able to flash the saved recovery file from TWRP. Once I did that I could no longer go in TWRP and now have to use the samsung install/recovery.
I have since flashed the stock rom several times with odin and also wiped data/factory reset many times still does the same in bootup. Tried flashing TWRP into phone using odin 3.07 but failed.
What should be my next move? Pretty new at this so I may be missing something very simple or perhaps a dead phone???
Finally got the phone to boot up and run fine. It seems everything was good except the battery was acting up.
Next step is to get the battery to charge when phone is off.
I'll post this question in new thread.

Device Freezes and doesn't boot

My Device freezes for Unknown reasons only began to occur yesterday. I tried removing battery and booting it and it didn't turn on. I then took out the battery and didn't put it back until more 2 hours passed by (Not sure exactly)
I left my device on the table, and came back to check on it and I noticed it wouldn't boot. I then put it on the charger and went to sleep. Once I woke up, I tried to boot the device but it didn't turn on. I took out the battery and waited some time(more than 2hrs). I then put it back and it turned on at 89%. I then put the phone aside. A few hours passed by I noticed the same thing occurred to my phone. I repeat the steps I did to boot it and then I put it on the charger. After a few minutes passed by I tried to check my messages on my phone. I entered my pin and that's when the device froze(I took out the cable from the port and noticed the notification light is still on)
Before this I ran the latest stock rom from lg/tmobile(h81120r)
Before I installed Lineage OS, I made a backup of my phone on twrp.
I locked the bootloader and now I can't get into recovery.
I remember being in the same situation don't remember how I got it out of the infinite bootloop, this appears not to be a hardware problem since the device can boot loop longer than 30s and not get frozen.
Secure Booting Error!
Error Code: 1003
Modified!
Entered Download Mode and now flashing stock Rom
And my phone Shows a battery with a question mark.
----
Battery fell out.
Restored it. Does not freeze. Will update.
After posting the success of restoring. The device went unresponsive again. And is boot looping.
Thread can be deleted/closed.

Soft-Bricked M9

I've had an M9 for 2-3. After the first year I got my phone, I installed a custom recovery and rooted it but later uninstalled root and custom recovery. It has been fine ever since except recently. Last month, my phone randomly crashed for the first time and got stuck in the infinite bootloop. It was as if everytime it tries to boot up, it crashed during it. If I hit the power, vol up, and vol down button, I make it to the screen with the option to go into recovery, download, etc. But when I actually try to go into either bootloader, recovery, or download mode from that menu, it crashes and goes back to the white htc logo. I've have gotten the phone to bootup a couple times by leaving it in the freezer as it tries to boot up but after using it for 1-5 minutes, it crashes again. If I don't use the phone at all, then it usually wont crash. After a day or 2, the phone fixed itself. Then one morning, my notifications got stuck together and my screen became unresponsive. So I took my death sentence and restarted my phone and now my phone has been doing the same exact thing for a week. I don't know how to fix this problem because getting it crashes trying to go into recovery and trying to do a factory reset is risky since it could crash during the reset. If also manage to make it into safe mode thinking maybe an application or virus is causing this but the phone crashed in SAFE MODE so I don't know what the problem is. I doubt there is any saving this phone because is probably a hard ware problem but who knows. Any help would be greatly appreciated!! Thank you.
Flash back to stock. Stock firmware fixes all sorts of issues.

Lenovo K8 note stuck in boot loop, pls help

My phone was working fine till some time ago. When I pulled it out of pocket, it was switched off. I switched it on, and it went to boot loop. It goes till Lenovo logo, then it powers-off and starts again. Sometimes it goes to the home screen, where I can use it for 0-1 mins, then boots again. I have not rooted or done anything. It was updated to Oreo 8.0 some months ago, probably in July. No problems from then till now.
I reset it by going to recovery, but still the same is happening. Please help
did you ever end up getting this problem fixed? this started happening to my phone today and I don't know what to do

another boot loop thread

Hi,
I have a Brazilian stock mMoto Z2 Force, XT1789-05, never unlocked the bootloader or root or whatever in this phone, just did the normal Motorola updates as they arrived.
2 months ago I had some battery issues, changed it and was working just fine until this morning. Today the phone restarted after I closed the alarm, and got stuck in boot loop.
I read some threads about this problem for people messing with Roms and baseband, but they don't really apply for me.
The phone reaches the Motorola logo and after a few seconds it restarts.
I can go into fastboot and select recovery mode, but then there's just a black screen with "No commands" written.
Tried Factory Mode with no success.
LMSAA don't recognize the phone, and don't let me select the correct one.
Is there anything else I could try? Maybe force LMSA to do it's magick? manually selecting my phone model for example?

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