I currently use a lock code for my device and when i double-tap on the power button, the phone use to lock. When i would press the power button once to unlock the phone i would be presented with the number keys to input code. However, today i have found that the phone does not lock, when i press the power button to unlock the phone it goes straight to the desktop. I only found out about this because I had the corded headset connected to the phone when i put it in its case and in doing so i heard the touchscreen presses. I understand that magnetic cases can wake the screen, however, when locking the devices and then waiting a few minutes, i unlock and boom, right to the desktop. The only times it seems to unlock is if i wait the alloted time for it to autolock, which is 10minutes. This was not a problem before update i can assure you. Anyone else?