Well just last night I charged my Iphone 4 All night and woke up to it being at 28% . It shows that it's charging with the little lightning symbol in the right hand corner but it actually going down. Now it's at 24% and I'm not even using it? Could it just be my charger or my actual phone? If it was the charger I would think it wouldn't show the lightning symbol but it does. What wrong with it.
Read more: Why is my Iphone battery going down while being charged?