Flashing Guide For LineageOS A15 By Baran

Reboot into the recovery.
Flash FW according to device. (topaz/tapas)
Flash ROM with "Reflash OrangeFox" option enabled.
Format data.
Reboot recovery.
Flash RO2RW. (https://t.me/baranchats/80008/98469)
Reboot recovery.
Flash Gapps Package. (NikGapps Recommended!)
Reboot to system and enjoy!