Need help on restoring back to stock. - OnePlus 3 Questions & Answers

I've been trying to restore my device back to stock. I had FreedomOS installed before, so I installed the modified TWRP for it. So I actually wiped everything, including internal storage, because I know how to ADB sideload the stock rom. SO after I wiped, I booted into bootloader, because I was planning on reverting my recovery method back to the stock TWRP. So after I did all the fastboot flash recovery ...., I rebooted into recovery. The oneplus logo with android appeared, but the TWRP logo did not appear; instead, the screen just went black. So I went back to bootloader, and reflashed the modified TWRP. It worked. What should I do? Thank you!!!

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Device always booting into TWRP 2.6.30

I wanted to share my somewhat scary experience and how I resolved it.
It started when one day I wanted to flash an updated rom using TWRP so I rebooted into recovery and TWRP all of a sudden asked for a password.
To resolve the issue I had to ODIN an older version of TWRP, fix permissions and then reinstall 2.6.30.
This got me back into TWRP and I thought all was resolved.
I then proceeded proceeded to wipe everything and even format to ensure the device was clean. I flashed the rom w/o issue and it booted up fine. After I got it all running nicely I rebooted into TWRP to make a backup. The backup was successful.
I then rebooted to system (after backup completed) and the my phone froze on the loading screen. I pulled the battery and restarted the phone and it booted into recovery mode.
I thought maybe there was a permissions issue to I did a fix permissions and rebooted to system via TWRP. Phone still froze when booting. I pulled the battery again and again it powered up into recovery mode again. I decided to wipe everything again and install an older backup that was proven to be good (which I restored previously w/o issue). It restored and rebooted fine. Then I turned off the phone and turned it back on and the damn phone booted into recovery again @#[email protected]# Rebooting to system in TWRP causes the phone to freeze, Cold booting the device boots it into recovery. So I was essentially stuck once I installed anything if I ever had to reboot the phone.
The only solution that worked was to take the stock image (included stock recovery) and root.zip and flash that to the phone. After flashing it I had to go into the stock recovery as the phone still didn't boot properly. I didn't pay much attention but the stock recovery brought up a number of errors but I was able to chose an option (sorry I don't recall what) to fix them.
After it was fixed the phone booted up w/o issue and also rebooted w/o issue. All appeared to be back to normal.
So I went and flashed TWRP again through ODIN and restored my backup and all is back to normal.
As an FYI .. I grabbed the stock image from here :
http://forum.xda-developers.com/showthread.php?t=2363882

[Q] Won't boot

I rooted, installed TWRP and was running a custom ROM for awhile. I wanted to go back to stock, went into recovery wiped everything and restored my stock backup, now it won't boot or go into recovery, just says [4750]Fastboot node started. I need help
OK, I managed to get back into recovery TWRP and re-installed my custom ROM but now I get google FCs, I can't do anything. I have other ROMs and stock zip but I don't know how to use ADB, I never worked with it, could someone help me with using adp?
Kaflex said:
I rooted, installed TWRP and was running a custom ROM for awhile. I wanted to go back to stock, went into recovery wiped everything and restored my stock backup, now it won't boot or go into recovery, just says [4750]Fastboot node started. I need help
OK, I managed to get back into recovery TWRP and re-installed my custom ROM but now I get google FCs, I can't do anything. I have other ROMs and stock zip but I don't know how to use ADB, I never worked with it, could someone help me with using adp?
Click to expand...
Click to collapse
since you can get into recovery, flash stock ROM with bootstack. Don't restore backup! Start fresh and see how it works out. Don't forget to flash SU and twrp just for good measure.

Phone only boots to recovery

So i flashed hydrogenos which replaced twrp with stock recovery. Then i reflashed twrp and i cant boot to system. Tried multiple roms and it always boots to recovery.
I would appreciate some help.

Robin stuck in TWRP boot loop

recently i was installing a nightly, did everything i normally would...somehow ive ended up with a twrp boot loop. its as though theres nothing on the phone but TWRP. if by chance ive somehow deleted the whole system, is there a way to recover from this?
afrokorean said:
recently i was installing a nightly, did everything i normally would...somehow ive ended up with a twrp boot loop. its as though theres nothing on the phone but TWRP. if by chance ive somehow deleted the whole system, is there a way to recover from this?
Click to expand...
Click to collapse
If you don't have a backup, maybe you can wipe and side load a ROM via ADB.
The thing that worked for me is flashing the 1450 stock rom, then flashing the custom rom again
Probably encryption fault, you will have to wipe and reinstall your ROM.
Same thing happened to my robin as I got an update to Lineage OS for Oct 23, and the phone was supposed to boot into recovery and flash the rom but nothing happened. I tried to look for the update rom inside the phone but couldn't find it. I then rebooted the system and it booted right back into TWRP recovery. I even wiped the whole phone and reflashed the rom again and still no dice, I even tried that stock flashable rom and nothing worked.

Bootloader re-locked

After updating the MIUI, I found to my dismay that TWRP was gone.
But the phone status still says "unlocked".
I re-flashed TWRP but did not boot into it directly.
When I wanted to enter TWRP later (after having booted notmally once), TWRP was still gone. Just the stock bootloader.
Could it be that I have to flash and then boot into TWRP directly in order to make it persistent?
Yes. After flashing twrp boot to recovery or else the recovery restores to stock recovery.
Ok. Will do it this weekend.
a-dummy said:
After updating the MIUI, I found to my dismay that TWRP was gone.
But the phone status still says "unlocked".
I re-flashed TWRP but did not boot into it directly.
When I wanted to enter TWRP later (after having booted notmally once), TWRP was still gone. Just the stock bootloader.
Could it be that I have to flash and then boot into TWRP directly in order to make it persistent?
Click to expand...
Click to collapse
Rewrite vbmeta or flash universal dm_verity disabler and the twrp will not gone.
Ok. That solved it.

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