though I researched through the forum I still feel stuck so Im trying to get some answers by asking you.
First: is it possible or not to change the branch from dev to stable, maybe even without data loss? If so, what is exactly the criteria to change it?
Second: as I didnt find a clear answer to my first message I decided to manually upgrade via adb sideload with the e/ recovery. I get the message that signature verification failed, do I want to install anyways, I choose yes and then run into ‘error 21’ and ‘E:Failed to find update binary META-INF/com/google/android/update-binary’. I dont get what the problem is, I also tried the next higher version, same error.
Most likely you are using an install file which is not for installing via ADB sideload.
The install files from the download pages currently match the instructions given here … https://doc.e.foundation/devices/FP3/install.
Through this guide I followed this, needed to set the active slots through the process like he did but when trying to start the system it goes into a short bootloop and then into recovery mode. I tried to set the active slot back to a (first I started with active b slot) but this wouldnt change the outcome. Do I need to set the slot to something different to get the OS started? Maybe Im missing a little command at the end? Through the installation process the only error occured when flashing the boot.img: I solved it by adapating the command from
Oh, I had such high hopes now. I installed Git and followed the instruction. The script was run in seconds BUT: same result as before. Tries to boot and then goes into recovery mode saying ‘cant load android system, your data may be corrupt.’
edit: there was an error in the terminal that a command failed. I try to run the script again now