Hi all,i updated to new firmware a week or so ago,since then I have got the battery cell broken msg on the app,now it seems I have no connection between the rc and ac cant even turn the motors on.i have been in touch with dji they told me to drain and recharge the battery acouple of times which I did but to no availso I,ve now got to try and get back in touch with dji,the drone was only bought in may I will keep you all updated of the outcome not a happy bunny.