Do you use it to record talks at conferences?
Did you ever try to hold up a smart phone for 45 minutes?
Well, I did and it was no fun at all!
My fix for this problem was to build an improvised camera stand for my phone:
All you need for that is some cardboard and something to cut it:
It takes about 5 minutes to make and greatly improves the video quality: No more jitter, shaking or covering up the mic. With the right light conditions you can even manage to make professional looking videos. Also, if you switch the phone to flight mode you can be sure that no incoming call will interrupt the recording.
Download printable version.