First of all, ton of thanks to @cuberio1 for keeping our tablet alive, by providing ROM with latest update and June security patch.
As crDroid's development has been abandoned, I tried this latest Lineage OS ROM for T311X. (Honestly, I preferred for crDroid over Lineage,

)
I did clean install ( factory reset, wiped system) > flashed OpenGapps (open_gapps-arm-7.1-nano-20180617.zip) > rebooted > Setup wizard keeps stopping!!!
Never faced such an issue before!
I have searched "setup wizard keeps stopping" and tried to follow provided methods, but nothing helped!
Revert to crDroid
Have a great weekend!