Lenovo Tab3 8 plus P8 (TB8703) and Tab4 8 & 10 WIFI (TBX304F) (TB8504F) for /e/OS-Q 1.17
e-1.17-q-20240104-UNOFFICIAL-TB8703.zip
https://sourceforge.net/projects/eosbuildsronnz98/files/OtherSmartphones/e-1.17-q-20240104-UNOFFICIAL-TB8703.zip/download
e-1.17-q-20240104-UNOFFICIAL-TBX304F.zip
https://sourceforge.net/projects/eosbuildsronnz98/files/OtherSmartphones/e-1.17-q-20240104-UNOFFICIAL-TBX304F.zip/download
e-1.17-q-20240104-UNOFFICIAL-TB8504F.zip
https://sourceforge.net/projects/eosbuildsronnz98/files/OtherSmartphones/e-1.17-q-20240104-UNOFFICIAL-TB8504F.zip/download
Please see sources and install instructions including recovery here:
https://xdaforums.com/t/rom-unofficial-10-0-tb8703f-x-r-n-lineageos-17-1-for-lenovo-tab-3-8-plus-p8.4055045/
https://xdaforums.com/t/rom-unofficial-10-0-tb-x304f-tb-8504f-lineageos-17-1-for-lenovo-tab4-8-10-wifi.4466879/
Use it at your own risk!
Please support the developer(s)!