Hi all...was about 2 fly mavic...updated latest firmware...calibrated drone and compass was flying first battery no problem...second battery...started flying...about 2 minutes into flight...stated calibrate compass then stated lost signal...no pic with my phone..i pressed rth button...and it returned to home...once landed i lanched it again and no problems...but only flew around me..was thinkin 4 sure mavic was lost..also checked flight logs...only showed b4 signal was lost...cheers jeremy..