Jorijn van der Graaf
3c99b3ef0a
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74 lines
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2.8 KiB
Markdown
74 lines
No EOL
2.8 KiB
Markdown
# fp6-img
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Flashable [postmarketOS](https://postmarketos.org/) images for the
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**Fairphone 6/6+**, built nightly from the
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[Catcrafts milos-linux](https://forgejo.catcrafts.net/Catcrafts/milos-linux)
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`combined-stable` kernel branch, with
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[imsd](https://forgejo.catcrafts.net/Catcrafts/imsd) (userspace VoLTE)
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preinstalled.
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Maintained by [Jorijn van der Graaf](https://catcrafts.net/about)
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(TheMightyCat) at [Catcrafts](https://catcrafts.net/).
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## What works
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Everything on the `combined-stable` branch: display, touch, wifi, cellular
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data, NFC (reader), speaker audio, microphone, IMU, magnetometer, barometer,
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ambient light/proximity — plus VoLTE calls (both directions) through imsd.
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Verified on exactly one device / one carrier (KPN NL). Reports from other
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carriers are very welcome.
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## Flashing
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Download `fp6-img.tar.xz` from the latest release and unlock the bootloader
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([Fairphone's official process](https://support.fairphone.com/hc/en-us/articles/10492476238737)).
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**Install**: with the phone in fastboot mode,
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```sh
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tar xf fp6-img.tar.xz
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cd fp6-img
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./install.sh
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```
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`install.sh` erases dtbo, flashes the rootfs, **RAM-boots** the kernel, writes the boot partition from
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inside Linux where the bootloader's NV-wipe cannot see it, then reads the modem
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NV back and reports the result. The bootloader never writes `boot`.
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Default login: `user` / `147147` (same as official postmarketOS images —
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change it). **Never re-lock the bootloader** with a custom image installed.
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## VoLTE configuration
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imsd is installed but needs your carrier's P-CSCF address:
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```sh
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# /etc/imsd.env
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PCSCF=<your carrier's P-CSCF IPv6 address>
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```
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Find it in a stock-firmware capture or your carrier's IMS documentation, then
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`systemctl restart imsd` (the service is enabled at boot and waits for this
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file to exist). See the
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[imsd README](https://forgejo.catcrafts.net/Catcrafts/imsd) for the full
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variable reference and carrier assumptions.
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## How it builds
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`build.sh` drives [pmbootstrap](https://gitlab.postmarketos.org/postmarketOS/pmbootstrap)
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with the `aports/` overlay in this repository:
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- `device/linux-postmarketos-qcom-milos` — the pmaports kernel aport,
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repointed at `combined-stable` with the exact kernel config the development FP6 runs.
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- `modem/imsd` — imsd, packaged from source. Its `provides=81voltd` keeps the
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conflicting modem-firmware IMS helper off the image (two IMS stacks cannot
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share one PDN).
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- `main/postmarketos-config-nftables` — adds the `-imsd` subpackage accepting
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imsd's IPsec-protected SIP ports on the IMS PDN (auto-installed alongside
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imsd).
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- `device/catcrafts-fp6-repo` — subscribes the installed system to the
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[Catcrafts apk registry](https://forgejo.catcrafts.net/Catcrafts/-/packages)
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(signing key + `/etc/apk/repositories` entry). CI publishes every built
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package there, so `apk upgrade` delivers kernel/imsd/GNSS updates between
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image releases. |