sjrc f11 4k pro

hello uolls ,my sjrc f11 4k pro wifi not showing up in my iphone any idea what is problem? the camera also cannot control by controller , any one had a tools for flashing firmware for the drone and had a original firmware??

Hi all. I recently one of these SJRC F11 4K Pro's for my daughter. It's her first drone and once she had mastered the controlling it visually, she then started to view it's flight through the app on her phone and that is when we noticed the image is 'lopsided'. After flying it back and looking...