init grapheneos

infrastructure/graduated/grapheneos/grapheneos.md

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+# Graphene OS
+
+<https://grapheneos.org/install/>
+
+## Fedora Silverblue
+
+1. Add the following udev rule to `/etc/udev/rules.d/51-android.rules
+
+  ```conf
+  SUBSYSTEM=="usb",ATTR{idVendor}=="18d1",MODE="0660",TAG+="uaccess"
+  ```
+
+2. Reload with `sudo udevadm control --reload-rules && sudo udevadm trigger`
+3. fastboot now works
+4. Navigate to the releases page and copy the link to the zip file
+
+  ```bash
+  curl -O https://releases.grapheneos.org/caiman-install-2025031400.zip
+  ```
+
+5. Verify
+
+  ```bash
+  ssh-keygen -Y verify -f allowed_signers -I contact@grapheneos.org -n "factory images" -s caiman-install-2025031400.zip.sig < caiman-install-2025031400.zip
+  ```
+
+6. Extract
+
+  ```bash
+  bsdtar xvf caiman-install-2025031400.zip
+  ```
+
+7. Flash
+
+  ```bash
+  bash flash-all.sh
+  ```
+
+8. Re lock
+
+  ```bash
+  fastboot flashing lock
+  ```
+
+## Apps
+
+### FUTO
+
+<https://keyboard.futo.org/>
+
+FUTO Keyboard: Supports android speech to text and swipe completely offline