My lock button is broken, so I use the assistive touch to lock the phone. Until today, I didn't have any problems with it (outside of the occassional lag).
However, all of a sudden whenever I lock my phone the phone sort of shuts off/restarts. It doesn't seem like a complete power down, but when I press the home button to unlock the phone the apple logo comes up and it takes a few second before I can see the lockscreen. But unlike a complete shutdown or restart, the phone doesn't have to search for a network and there is no delay after that - it is as if I just unlocked the phone.
Has anyone else experience this issue?? If so, how did you fix this? I have tried to restart the phone, but it didn't seem to work.