Fairphone 3

Overview

codename FP3	🥦
Flavor (?):	Slim
Android:	13
First released:	2025-04-06
Firmware:	included
Encryption (?):	FBEv1
Relockable:	yes
VerifiedBoot/AVB (?):	v2.0
Verified & tested by:	The AXP.OS community
State:	stable

Installation guide

You want to switch between flavors or coming from DivestOS?

Please read this first: All about AXP.OS flavors If you miss a flavor you can request it here.

Known issues

• General Known Issues

  • Specific for FP3

• Issue tracker won’t fix

Boot modes

Each device has its own method to access special boot modes.
See: FP3 (@LineageOS wiki)

Firmware

AXP.OS for the Fairphone 3 includes the latest available bootloader and modem firmware.
No manual firmware flashing needed if you follow the Install guide.

Install / Upgrade

Install (A/B)

Setup AXP.OS

Follow Setup

Re-locking the bootloader

Follow Bootloader-Lock

Fingerprint information

On boot you may see a fingerprint/ID verifying AVB trust.
Some devices show only 8 chars, others full digest.
See more details here.

This fingerprint is unique per device and flavor.

If you see a different ID, immediately request support.

Slim build

BOOTLOADER minimal ID
        2F554EFA

BOOTLOADER full ID:
        2F554EFA46B4B4A9
        E2F86CD9D695018B
        667B67D29F9B5EBC
        4D09EC6750C3AEEC

XDA thread

See here

Debugging

DEVICE-BOOT-DEBUG-PATH: /mnt/vendor/persist
See Logs

Download

💡 The hashsum of new builds are also send in the sfX Automation channel. This gives you a second and independent option for comparison if the download server is compromised.