Yes, it's "relatively" easy. They had over-the-air delta updates with Android 10, but not for 11. Here my current steps for each ROM upgrade. Installation would

Yes, it's "relatively" easy. They had over-the-air delta updates with Android 10, but not for 11. Here my current steps for each ROM upgrade. Installation would be similar: - Connect USB - Boot in Fastboot: Press and hold Volume Down, then press and hold Power - Install TWRP recovery `fastboot flash boot twrp-...` - Select to boot recovery mode using Volume Up/Down - Format system and cache partitions ONLY. Leave data and internal - Choose Advanced > Sideload, then run `adb sideload PixelExp...zip` on computer