It was probably due to me hauling around Barn Lime today but when I connected the data/charge cable to the device it wasn't charging and the app on my Mac told me the device needed to be connected to the computer. Upon closer inspection, I found some gunk was caught in the recess of the charging area blocking contact to be made.
So I'll be keeping an eye out on this area to see if anymore build up occurs.
So I'll be keeping an eye out on this area to see if anymore build up occurs.