J810f u 4 unsupported dev

Hello team i got this phone with Security error this phone was flashed with unauthorized softwear



i flashed this phone with. Combo everything went smoothly ok

I enable oem

Flashed it with full firmware i got this error unsupported dev type





Flashed it with single ap

Phone not starting to flash at all

Hang only one the beginning of flash




how to solve this




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