FP 3 - How to backup the Android stock rom

[icebreake]

Hello,
I would like to backup the stock rom of my brand new FP 3 on my own.
I don’t trust the download links mentioned in the following guides:

TWRP installable stock firmware packages for Fairphone 3

Here you can find full stock firmware packages for installation using TWRP: Fairphone_FP3_8901.2.A.0105.20191217_12171325_user_release-keys.zip (14fd46db208268be2190291e505ae02f) Fairphone_FP3_8901.2.A.0110.20200109_01092024_user_release-keys.zip (428bdfe207aab70fad51fe4da33e8d6c) Make sure the option “Mount system partition read-only” in the Mount menu is checked before installing, if you want to be able to OTA later. Note: When flashing full stock images, that include sbl1 or aboot, make…

TWRP for Fairphone 3

EDIT: TWRP 3.4.0 has just been released and with its release FP3 is now officially supported: https://twrp.me/fairphone/fairphone3.html Unofficial releases for bug-fixes or feature tests may still pop up now and then on my github. You can now find TWRP for the Fairphone 3 at my github: You can boot into twrp using fastboot boot <twrp.img> I have also included a twrp-installer zip-file that can be used to install TWRP to your device. If you get a message, that your phone is corrupted and…

Is it possible to create an image of the complete stock rom using adb and fastboot?
Or should I temporary boot a downloaded twrp image using the following command:
fastboot boot twrp.img
And once booted to this image, navigate to backup the system.
What is the recommanded procedure to create an image of the stock rom to backup the stock Android of the FP3?

Best regards

icebreake

[amoun]

Hi and welcome to the forum

You can find the official downloads and update on the Fairphone site

FP3/FP3+ OS updates - changelog & Download links

Android 10 releases (FP3/FP3+): FP3 3.A.0107.20210513 Update Release Date: 2021.05.28 Security Patch Level: 5th of June, 2021 Changelog: Fixed a minor issue that was causing the flashlight not to respect the ON/OFF setting in the Camera app when the “Redeye reduction” feature was active. The network compatibility for several carriers has been enhanced. Forum Thread: Software update: 3.A.0107.20210513 Update size: 30 MB Download : https://fileshare.fairphone.com/link/PXafp44JNCeoRpJ…

[Alex.A]

@icebreake

I don’t trust the download links mentioned in the following guides:

Why not? They are posted by the dev of TWRP for the FP3.

@icebreake

Or should I temporary boot a downloaded twrp image using the following command:
fastboot boot twrp.img
And once booted to this image, navigate to backup the system.

That is certainly what I would do to have a full backup of my OS (excepting internal storage, but you may already know this TWRP limitation).