I just got Update3 or GDR3 for the 8X and since then I have experienced a great amount of battery drain. Previous to this update I could use my phone on a single charge for 14+ hours with heavy usages.
Since the update with no changes to apps, I am lucky to get 6 hours with standby. Today my phone lost 8% while turned off. Here is a screen shot of the latest charge. Down from 40% to 15% in 2 hours and the phone was off for 1 of those hours as I was on a plane.
Is there any solution to this?