Samsung started rolling the January 2021 security patch software update for the Galaxy J6 Plus variant with build number J610FXXS6CUA2. The update brings no major changes apart from the security fix and minor update to improve the performance.
1- Just flash this firmware 2- A605fn frp pattern method enjoy A6 Plus 2018 Samsung FRP Bypass A6 plus All Bit frp bypass 100% working