Quick history: Advanced 3 , RC GL300C , ipad mini , Samsung S5neo . About a year ago put away drone for the season , in a plastic container in my house ( normal humidity, temp) (everything working fine app 3.1.10 , aircraft 1.9.6 , remote 1.6 , ipad on ios 10.2.1, Samsung v 6) Bring it out of storage to fly and have the RC not charging , only 2 lights problem. Take it to electronic specialist, he reflows motherboard unsuccessfully. replaces a part on motherboard and I get a new battery. RC now acts normal, full charge to 4 lights and shuts off when charged. Starts and acts normal. I am connected with aircraft, green lights on both , connects right away, I can control gimbal, motors etc just no view in app( says disconnected) Updated ipad to ios 12, uninstalled go app, reinstalled latest app version on both ipad and Samsung ( both worked before putting in storage). On ipad in go app , I get picture of advanced aircraft with camera button in white with blue border, I push camera button and it goes blue and then shows the page to fly but says disconnected. I do the same with Samsung and I get Inspire showing in app and camera button in dark grey, push button and it goes to same page as ipad that says disconnected. I tried resetting RC, I tried different cables , tried resetting both devices , tried a different iphone and cable , I unplugged ribbon cables on usb module and reconnected them (reset) , Done DJI troubleshooting steps, I am at a loss. Read hours of threads, cant find a solution. Can anyone help?