Recommend sending to DJI. They repair remotes at a reasonable price. Usually in the $100 range even bad batteries or boards. Contact customer service for a repair and shipping label. Should be short turnaround.
That s not an option my friend ! i am in Argentina, if i send it to DJI here they do not even know what i am talking about, if i have to send it to US it takes 3 month, shipping cost, customs whant to charge me when it get here etc etc etc. No chance. I think i fix it anyways. Re intall other firmware version thanks to a fellow here who send it and it seems to work now ... Thanks
Glad it was only firmware, not OS.
Easy fix and that firmware works good. If you were on old firmware it probably only worked on the Pro. Now you should have the option for all P4 v1 models, under advanced settings.