Installation Instructions
Make sure to follow all steps carefully. Do NOT omit ANY steps!
- Make sure your device model is gta4xlwifi (SM-P610) - exact match is required. LTE version will NOT work.
- Install the Stock ROM for Android 10 from the firmware downloader of your choice. It might not boot, don’t worry about it
- Install LineageOS Recovery 17.1 from lineageos20210217 directory listing with heimdall
- Install LineageOS system 17.1 from https://archive.org/download/lineageos20210217/roms/gta4xlwifi/20210217/
- Check that LineageOS boots
- Boot into recovery and format userdata
- Flash Sailfish ZIP (Releases · sailfish-on-gta4xlwifi/docs · GitHub)
See GitHub for what works/what doesn’t for now.
Disclaimer
Your warranty is now void.
We are not responsible for bricked devices, dead SD cards,
thermonuclear war, or you getting fired because the alarm app failed. Please
do some research if you have any concerns about features included in this ROM
before flashing it! YOU are choosing to make these modifications, and if
you point the finger at us for messing up your device, we will laugh at you.