Can i go back to stock rom using a NANdroid backup ? - OnePlus 5T Questions & Answers

Hi guys.
I'm running on the last version of resurrecrion remix rom and I just wanna know if i can get back to stock rom just with nandroid backup because i have a NANdroid backup running on stock official Oreo 8.1 (OxygenOS 5.1.0).
So to get back to stock i just need to restore my NANdroid backup ? And if yes, do i need to wipe everything except internal storage before doing it ?
Thanks for your help guys.

You can try restoring from backup . If it doesn't boot up flash oxygen os from scratch (formatting cache, data and system) once it boots up go back to recovery format just data and restore just data from your nandbackup of oxygen os. And you will pick up where you left off

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Restoring Backup

Folks, If I wish to restore from a backup taken using recovery after flashing a ROM, is it a simple case of booting it recovery, factory wipe, clear caches, then restore the backup I took prior to flashing ? I'm trying to back out from Revolution HD to get my original APN settings.
Thanks in advance.
there maybe a problem with kernel if u r trying to downgrade.
trevagreene said:
Folks, If I wish to restore from a backup taken using recovery after flashing a ROM, is it a simple case of booting it recovery, factory wipe, clear caches, then restore the backup I took prior to flashing ? I'm trying to back out from Revolution HD to get my original APN settings.
Thanks in advance.
Click to expand...
Click to collapse
1) Extract boot.img from the backup on your SD card
2) Boot into Recovery and restore backup (no need to wipe).
3) Reboot straight into the bootloader and flash the boot.img file you extracted.
4) Reboot device.

Nandroid vs clean flash

hello guys, i am using PA rom now, but i want to test another rom, but i have so much apps and so much configurations, is all in titanium backup but every time i install a new rom i must restore data for apps i want, so i was wondering, nandroid backup can restore all my files and even the rom that i was using? and about performance, when i want to go back to PA, is better restore a nandroid backup o clean flash and reinstall all apps?
and about the procedures is like this:
Nandroid of ROM 1
wipe and flash ROM 2
wipe and restore nandroid backup.
my question is about the correct procedure to restore, do i need to wipe data before?
i like to test s much roms but is so bad to take about 3 hours to configure everything when i come back to the i was before.
thanks in advance
leandronb said:
hello guys, i am using PA rom now, but i want to test another rom, but i have so much apps and so much configurations, is all in titanium backup but every time i install a new rom i must restore data for apps i want, so i was wondering, nandroid backup can restore all my files and even the rom that i was using? and about performance, when i want to go back to PA, is better restore a nandroid backup o clean flash and reinstall all apps?
and about the procedures is like this:
Nandroid of ROM 1
wipe and flash ROM 2
wipe and restore nandroid backup.
my question is about the correct procedure to restore, do i need to wipe data before?
i like to test s much roms but is so bad to take about 3 hours to configure everything when i come back to the i was before.
thanks in advance
Click to expand...
Click to collapse
Titanium Backup and Carbon(Helium now ) doesn't cause any issue due they restore only /data/data/APP datas
Wipe data is need (ALWAYS) over Rom switching for different Settings and Features, e.g:
AOKP -> PA : Full data wipe ( i prefer add wipe system due nightly script recovery that keep gapps ) + Restore Carbon is right procedure
Pa -> Pa: in theory you need only wipe cache & dalvik
Nandroid is evil, restore nandroid data backup is same of dont do anywipe due nandroid make image of data partitions, and reflash it
Nandroid is usefull only as backup ( data lost or nightly fail or something like this )
I suggest anyway over change rom , delete /sdcard/Android for new system base.
so use a nandroid is valid? no performance loss when using it?
i want to try codex rom but i already setup everything i wanted on PA and i dont want to flash codex, and if i dont like and want to go back to PA i must setup everything again. this is the main reason i don not flash roms to much. i few months ago i never stayed in same rom for a week, but now i am tired to setup the same things again.
so if i make a nandroid of my current rom, flash codex test a few days, and restore nandroid everything will be fine like was before?

[Q] Restoring from CWM Backup

I have a question:
If I backup my current ROM, flash a completely stock one, then restore only data from the CWM backup. Will I get back my apps and everything I installed and did on the phone?
Thanks。
Buddhism said:
I have a question:
If I backup my current ROM, flash a completely stock one, then restore only data from the CWM backup. Will I get back my apps and everything I installed and did on the phone?
Thanks。
Click to expand...
Click to collapse
yes, but be sure that data is selected for backup. also if rom system apps are moved to preload you cant restore it

Restoring TWRP Backup - Freeze at Boot Screen

Hey all,
I've been having some problems restoring a TWRP Backup of the stock ROM. I made the backup and then flashed another OOS based ROM, but the phone seems to freeze at the boot screen when I restore my backup. Anyone else having this problem?
Sent from my ONEPLUS A3000 using Tapatalk
Backup don't work yet (well did not work last week)
i have had this problem too, what i would try to do is download the OxygenOS version u r on and clean flash the full stock rom, then go and do a restore or try to go to advance and wipe caches, data and system, make sure not to do sd card, i have had this happen when i made a back up on 3.1.2 and tried to restore a nandroid from 3.1.0 and it froze at boot, either that or it may take awhile, on of mine took like 8 min, how long did u let it go
Bradl79 said:
i have had this problem too, what i would try to do is download the OxygenOS version u r on and clean flash the full stock rom, then go and do a restore or try to go to advance and wipe caches, data and system, make sure not to do sd card, i have had this happen when i made a back up on 3.1.2 and tried to restore a nandroid from 3.1.0 and it froze at boot, either that or it may take awhile, on of mine took like 8 min, how long did u let it go
Click to expand...
Click to collapse
I let it sit about 15 minutes or so before booting back into TWRP to reflash.

Bootloop after restoring a nandroid backup

I made a backup of my 5x when it was running rooted/xposed 6.0.1 but then decided to update to 7.1.1 to try out the new features. But now I really miss a lot of xposed modules so I decided that I want to restore my 6.0.1 backup that I made a couple of weeks ago. So I flashed the 6.0.1 factory image from Google's developer website and was able to successfully boot into Marshmallow again. However after installing TWRP I tried restoring the backup (through USB OTG) after wiping system and cache and a doing factory reset but it pauses on "restoring system image" for a brief moment then proceeds to reboot by itself despite that it's only 27% complete. The reboot however does not go to completion and so the phone is stuck in a bootloop. I'm really not sure where the problem is here. Is it TWRP? Or the backup file? What can I do?
Which version of TWRP have you used? By any chance the backup also contained EFS?
marioemp2k7 said:
Which version of TWRP have you used? By any chance the backup also contained EFS?
Click to expand...
Click to collapse
I used version 3.0.2-2.
And isn't EFS supposed to be backed up anyway? I just checked the backup folder and it contains 4 files that begin with "efs". Should I delete those and try again?
Format everything from TWRP except internal storage. Restore your backup without EFS. Next time you want to come back to another version just be sure that you also backup the vendor or you flash the vendor corresponding to the version you're restoring beforehand.
marioemp2k7 said:
Format everything from TWRP except internal storage. Restore your backup without EFS. Next time you want to come back to another version just be sure that you also backup the vendor or you flash the vendor corresponding to the version you're restoring beforehand.
Click to expand...
Click to collapse
I made the backup while I was running 6.0.1 and I flashed the 6.0.1 factory image so they both should have the same vendor image.
I also tried wiping everything except for internal storage and I unchecked "EFS" when restoring the backup but the same problem still persists, the phone automatically reboots itself before the restoring is complete and gets stuck in a bootloop. I'm not sure where the problem is at this point. I guess I'll just have to start from scratch again

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