Dji mini 2 rth and gimbal calibration error

Hello everyone on the forum. Sory for errors, I do not know English very well. Frimware 1.3 dji fly 1.5.10 new drone. Everything was probably ok but now when it returns to the starting point, rth flies sideways. Na dji fly 1.5.4 too. On 1.5.4 I did imu calibration on 1.5.10 not .Rc the latest but I wanted older frimare. I do not know if 1.4 will help but if I do not find any help, I will check. The drone is new. The second question appeared to me a gimbal calibration error. The gimbal is ok.