Test Flying 3incher with RFD 868ux radio

Here is short video of testing 3 inch Roma quad with Matek H743 mini F/C,RFD 868ux radio system with crossfire antenna’s on it,I flight 1507 motors and Aikon 35 amp4 in 1 esc,
It does fly smooth just a bit of alitude dridt that needs tuning out and possible recalibrate accel as drifts to right,Any suggestions wellcome,sorry about untidyness of flat.