firmware problems

I just bought my first P 3 (standard) and I am new to this so please bear with me. It say to to DJI Go. Com to check your firmware for updates but I can not find it. And is there any really good step by step instructions you can follow before your first flight?

Hi, I recently read that there are/were problems with either the latest APP or latest firmware (iOS) in respect of the P3 Pro. I am not really sure what the problem is, but has this/these issues been acknowledged by DJI and if not (are the problems speculation. I looked site and I can't see...