P4 Advanced+ RC with P4 Pro issue

[orlandson]

I'm trying to use a GL300E RC of a Phantom 4 Advanced+ in a brand new Phantom 4 Pro. Everything works, except Work Frequency which is locked in 2.4G and it's gray, not blue, like if blocked.
But if I downgrade RC to firmware V. 01.01.03.00 It works fine and I can change to 2.4G or 5.8G. But if I update RC to V.01.02.00.00 or V.01.02.02.00 it will lock again the Work Frequency to 2.4G. Tried some firmwares at AC too without luck. The problem appears to be on RC.
Any help with this?

 

[orlandson]

It finally worked.
RC was correct selected as P4P Controller in the app settings. So I changed to P4A and back to P4P. And it worked!!!
I trying to get it working for a week! Can't believe is so simple.

 

[Bakersfield Quad]

Sometimes problems are simple