If you read the OP's post you see that he did, together with the same 180 degree shutter angle... but the result was unsurprisingly the same.
Lower FPS can certainly contribute to problems with judder and/or excessive blur... but it's far from...
The RC-controller will not update to the latest Flysafe database, you will need to use DJI assistant 2 (Comsumer), connect via USB C to your computer and the software will recognize the drone and do the latest update version 01.00.01.38 Aircraft...