Hi, Wonder if anyone can help. My girlfriend has just had the battery replaced in her iPhone 5 after we saw it dropping from 60% to 40% and not holding the charge properly. After the battery replacement the random % drops seem to be worse, for example 53% to 3% then it turns off. Plug it in and it jumps to 25%. Is there anything you'd suggest to resolve these issues? Find it hard to believe the new battery is faulty and it almost suggests the old battery wasn't actually a dud either.