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 w…

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

[anon9989719]

Hi and welcome to the forum

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

FP3/FP3+ Fairphone OS updates - changelog & download links

Here you can find the official FP3(+). Fairphone OS release notes Android 11 releases (FP3/FP3+): 8901.4.A.0021.0 Release Date : 2023.02.13 Security Patch Level: 5th February, 2023 Change log: Camera improvements Applies only to Fairphone 3+ or Fairphone 3 with a Camera+ Module installed: More natural tones and exposure across modes (E.g. HDR, Portrait, Pro). Better image sharpness and noise filtering. Reduced motion blur for indoor scenes. Pro mode now has a separate configu…

[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).