Desire 816 random reboot - Desire 816 Q&A, Help & Troubleshooting

Hello,
Recently my phone's power button got stuck and phone started to restart itself again and again. I've removed back panel and adjusted the power button back to normal and even though the restart problem persists.
i tried to factory reset the phone's software many times but it is being left with stock software and stock setting(even the last minimized apps are being shown).
What should i do to make my phone work as normal

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Load issue

FIXED NOW!
Need help.
I burned the new Kavana ROM. everything was working ok.
placed my microSD and the device didn't recognize it, so i rebooted.
upon reboot the device got stuck on the white HTC screen.
pulled battery
tried again, rebooted, past the HTC screen to the Windows Mobile welcome screen but freeze again. hard reboot didn't respond.
pulled battery, then turned back on. device didn't even turn on!
tried several times with/without battery hooked up to power , and with/without SIM and/or microSD (all possible combinations) and nothing.
had lunch
went back to it and the device magically booted it but after the white HTC screen i got a blue screen asking about error from last reboot. said yes to correct. rebooted went past white HTC and into Windows mobile welcome screen and froze again.
repeated the process several times and finally got to the blue screen again asking about error from last boot, this time said 'no' and device continued boot in a white screen without HTC logo and froze.
all hard reset attempts were unsuccessful (if i'm doing it right: hold two soft keys and then power button).
now the device boots to the white HTC screen and then is stuck.
what to do?
edit: got the hard reset to work and reconfigured my phone. i only noticed the black screen for a split second because my Dash has issue that it thinks that the green send button is being pressed all the time (anyone know how to fix that?).
Thanks
Find your original rom in sticky, go into bootloader and flash original rom, then flash to wm6.1.
have the same issue!!... did you fixed? the main problem is activesync is not running so how do i install another ROM?
Active sync doesnt have to be working aslong as u got ur s621 pluged in and u wait for a few seconds before starting the ROM it will work.

Lg f240l in boot loop

Hi there,
I recently bought a used Lg f240l (so no warranty at all). Every thing was working fine and dandy but today when i restarted the phone it went into boot loop for like 15-20 minutes. I did a battery pull and rebooted but still it remained in boot loop. So i googled and found how to factory reset the phone , i reset the phone. It tool 15-20 minutes again to format but the mobile network signals were gone. I shutdown the phone to check the sim card . I restarted the phone but it went to bootloop again. Please help me out here.
I am aware of custom recoveries, root, etc but please dont hesitate to answer this question like I was a noob.
Also is there a possibility that the factory reset may cause a sim lock?
Thanks alot.
FIXED IT...
THE SOLUTION: In case any one googles ...
So i recently replaced the default fonts with htc m8 but fortunately i backed up the fonts folder.
I hard reset the phone by pressing and holding volume down+home button+power button
And when the phone booted i simply replaced the fonts folder.
I dont know why this happened but this solved my problem.

[q]!!help required!!desire 816 restarting[q]

Helllo ppl
i've been using desire 816 since last year without tweaking with software maintaining it totally stock.
Recently my phone's power button got stuck and phone started to restart itself again and again. I've removed back panel and adjusted the power button back to normal and even though the restart problem persists.
i tried to factory reset the phone's software many times but it is being left with stock software and stock setting(even the last minimized apps are being shown).
What should i do to make my phone work as normal
Same probleme
i have same probleme

Locked up - stuck in boot cycle

bit of emergency help please! Phone completely vanilla as it came out of the box two years ago., has all the latest updates applied. Last week as I'd run of App space I allowed the SD to become internal storage option but nothing else strange. Today I was having problems connecting to my Sat Nav so I restarted the phone, 10 minutes later I noticed it was stock on the HTC screen so I Volume Up + Power button restarted and now I'm stuck in this screen, nothing I do can get me to boot - any ideas please?
I've tried the factory reset option under HBOOT but it just returns me here
Ignore the below, just unplugged it and restarted it and its locked again!
after 20 attempts I plugged it into PC and its booted, totally wiped clean but it appears to be working. Got an S7 Edge arriving next week so I thinks its just the M8 getting jealous.

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.

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