How do I get back to stock from custom rom? - Galaxy S6 Q&A, Help & Troubleshooting

Hi
How do I get back to stock, from a custom rom?
I did a backup of stock, with TWRP, but can I just restore it or do I need to flash stock firmware with Odin first? (I'm on XtreStoLite right now).
Just don't want to brick it, so unsure if I can just restore, or I need to remove the custom rom before restoring.
Thanks in advance

Faspaiso said:
Hi
How do I get back to stock, from a custom rom?
I did a backup of stock, with TWRP, but can I just restore it or do I need to flash stock firmware with Odin first? (I'm on XtreStoLite right now).
Just don't want to brick it, so unsure if I can just restore, or I need to remove the custom rom before restoring.
Thanks in advance
Click to expand...
Click to collapse
If you want a clean install of stock I would use Odin.

Related

[Q] Come back to stock (P5100)

Hi
I'm coming to flash Pac ROM 4.2.2, but if I want to come back to stock, I have only to flash Rom stock (4.2.2 XEF)?
thanks
Yes, that will get you back to stock, but will not make your warranty valid. You must use TriangleAway to reset your flash counter and unroot if you want it to be completely stock and have a valid warranty.
Hope that helps. ;]
Samwix26 said:
Hi
I'm coming to flash Pac ROM 4.2.2, but if I want to come back to stock, I have only to flash Rom stock (4.2.2 XEF)?
thanks
Click to expand...
Click to collapse
there is no problem in that
you can revert to stock easily through odin
i did it without using triangle
good luck :good::good:

Is there a way to revert custom ROM to stock and keep the phone rooted?

Also, how can I tell what were the previous versions of Android that my phone had (STOCK)?
For example: there were several 5.1.1 versions or 5.0. versions - how do I know which one do I need?
Thanks.
The easiest way to have a routed rom would be to flash a stock rom from Google, flash twrp, and flash supersu from twrp.
audit13 said:
The easiest way to have a routed rom would be to flash a stock rom from Google, flash twrp, and flash supersu from twrp.
Click to expand...
Click to collapse
Sorry if I didn't explain myself - my phone is rooted and I have a custom ROM. What I want to do is to go back to stock ROM but keep it rooted.
Thanks.
Flash a stock rom, then just root the stock rom. There is no other way unless you flash a stock pre-rooted rom.
audit13 said:
Flash a stock rom, then just root the stock rom. There is no other way unless you flash a stock pre-rooted rom.
Click to expand...
Click to collapse
So you can't keep it rooted while flashing stock?
And how do you know which versions are for your phone (if I don't want to go back to the latest Marshmallow for example)?
You can only keep root when flashing stock if you find a prerooted stock image.
Google search for nexus factory images.
audit13 said:
You can only keep root when flashing stock if you find a prerooted stock image.
Google search for nexus factory images.
Click to expand...
Click to collapse
Yes, I know that I need to Google for factory image, but there are several images with the same release. For example, there are three 5.1.1. (LMY48B, LMY48I and LMY48M). Same with 6.0.0. and 4 X 6.0.1 version. How do you know which one is for my device?
Thanks.
Any stock image for hammerhead will work on a hammerhead device. The reason it will delete root is you will have to flash system, and unless the system image you flash is prerooted, no more root.
wangdaning said:
Any stock image for hammerhead will work on a hammerhead device. The reason it will delete root is you will have to flash system, and unless the system image you flash is prerooted, no more root.
Click to expand...
Click to collapse
Thanks!
Just trying to understand that difference between the different versions, or are these simply system updates, from XXX29K to XXX29S for example?
Changes in the android version 5.0->5.1->6.0 are fairly large system updates. Within 5.1.1 they are security patches.
If you have a rooted phone and talk about flashing, you should know this. Else you are a menace to your phone...
Root is a system modification - if you delete or reinstall the System partition, you'll lose root. But re-root is easy.
I recommend to read tutorials and get some knowledge before trying to root, flash or before asking those questions, where Senior xda-members just shake their heads.
The simple way to do what you seem to want is to back up all your important stuff (photos, etc.), install MMB29V (the latest March 1st 6.0.1 security version), install TWRP 3.0.0.0, and from TWRP flash SuperSU v2.70. It will take slightly longer than it's taken me to type this, but not much...
After that, when a new monthly security version comes out, flash system.img, boot.img & radio.img, and repeat the TWRP & SuperSU steps. No data loss.

Is it possible to flash stock firmware eventhough I installed TWRP?

Hi Guys.
I've reached a state of confusion reading about OTA-updates, TWRP and root. My question question is this:
I installed TWRP, flashed the verity opt encryption kernel and rooted my G930F. Everything works and all is good. But with the new Chainfire AUTO-ROOT (is it X.72?) OTA-updates has been disabled.
I'm confused about the reason for this. Does this mean that I risk bricking my phone if I at some point in timez deside to flash stock rom via ODIN? Or will this just replace TWRP with original recovery and overwrite root?
Sorry for my noob-mind. I'm new to Samsung devices.
Best regards.
If you flash stock rom via Odin TWRP will be deleted and stock recovery will be installed. You will also lose root privileges. Make sure you have a backup before flashing stock via Odin. Once restored stock rom via odin follow same steps you took the first time you rooted your phone.
Leeum said:
If you flash stock rom via Odin TWRP will be deleted and stock recovery will be installed. You will also lose root privileges. Make sure you have a backup before flashing stock via Odin. Once restored stock rom via odin follow same steps you took the first time you rooted your phone.
Click to expand...
Click to collapse
Thanks alot!

Question about custom ROM and going back to stock

Hi everybody, I have a SM-G920F with android 7.0 rooted with magisk and TWRP, but with stock ROM.
I'm planning to give NexusOS 9.0 a try and do :
Backup my data and settings with TitaniumBackup
Backup everything in TWRP
Flash ROM,magisk,Gapps according to NexusOS's thread
If I want to go back to Stock, what do I have to do ? As of now, I would think of :
download my latest firmware on https://www.sammobile.com/firmwares/galaxy-s6/SM-G920F/
Flash it through Odin by selecting the firmware in "AP"
But do I need to do anything else before/after flashing stock ROM, like wiping something ?

How to upgrade / back to stock?

I have rooted NXT-AL10C00B129SP02 and installed twrp. I want to upgrade soft, so I think I need to go back to stock and then use OTA. But how can I do that? I can't restore to stock by dload because of twrp.

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