Catcrafts/fp6-img
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Catcrafts builds of the postmarketos image for the fairphone 6
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Jorijn van der Graaf ff2f6df650
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linux-postmarketos-qcom-milos 7.2.0-r103: enable pstore (ramoops console/pmsg) 
The FP6 has warm-reset itself at USB-C cable events and right after the
ADSP comes up with a charger attached, leaving nothing in the journal.
The kernel now carries a 4 MiB ramoops region (milos-linux adsp-recovery,
DTS node at 0xe2500000); build the pstore core, the ram backend and the
console + pmsg front ends in, so the previous boot's console and the
initramfs stage log survive a reset into /var/lib/systemd/pstore.

Verified on the dev phone 2026-09-15: records survive a PS_HOLD reset;
systemd-pstore archives them at the next boot.
2026-09-15 22:36:13 +02:00
.forgejo/workflows Install fingerprintd from the registry, so the image unlocks with a finger 2026-09-15 22:36:13 +02:00
aports linux-postmarketos-qcom-milos 7.2.0-r103: enable pstore (ramoops console/pmsg) 2026-09-15 22:36:13 +02:00
.gitignore gitignore dist/; fix empty then-branch (sh syntax) in the NV verdict 2026-08-09 02:44:39 +02:00
apk-resign.py imsd: sign from a readable copy of the abuild key 2026-09-15 22:36:12 +02:00
build.sh build.sh: install the newest registry imsd and fingerprintd, verified the way a phone does 2026-09-15 22:36:13 +02:00
check-aports.sh fp6-vendor-blobs: the checksum the extractor change forgot, and a check that finds the next one in a second 2026-09-15 22:36:13 +02:00
install.sh debian fix 2026-09-15 22:36:12 +02:00
README.md Update README.md 2026-09-15 22:36:13 +02:00
registry-fetch.py build.sh: install the newest registry imsd and fingerprintd, verified the way a phone does 2026-09-15 22:36:13 +02:00

README.md

fp6-img

Flashable postmarketOS images for the Fairphone 6/6+, built nightly from the Catcrafts milos-linux combined-stable kernel branch, with imsd (userspace VoLTE) preinstalled.

Maintained by Jorijn van der Graaf (TheMightyCat) at Catcrafts.

What works

Everything on the combined-stable branch: display, touch, wifi, cellular data, NFC (reader), speaker audio, microphone, IMU, magnetometer, barometer, ambient light/proximity, fingerprint unlock through fingerprintd, plus VoLTE calls (both directions) through imsd.

Flashing

Download fp6-img.tar.xz from the latest release and unlock the bootloader (Fairphone's official process).

Install: with the phone in fastboot mode,

tar xf fp6-img.tar.xz
cd fp6-img
./install.sh

install.sh erases dtbo, flashes the rootfs, RAM-boots the kernel, writes the boot partition from inside Linux where the bootloader's NV-wipe cannot see it, then reads the modem NV back and reports the result. The bootloader never writes boot.

Default login: user / 147147 (same as official postmarketOS images). Never re-lock the bootloader with a custom image installed.

VoLTE configuration

imsd is installed but needs your carrier's P-CSCF address:

# /etc/imsd.env
PCSCF=<your carrier's P-CSCF IPv6 address>

Find it via android adb using adb shell dumpsys telephony.registry, then systemctl restart imsd (the service is enabled at boot and waits for this file to exist). See the imsd README for the full variable reference and carrier assumptions.