Did you already try to switch off and then again switch on the "Location Services" in the camera app directly?Camera app -> Settings (cogwheel icon) -> Location ServicesFor me, everything works as expected, so it doesn't seem to be a general issue.
Does it get better if you go to "Camera Settings" (found directly in the camera app) -> "Anti-flicker" and try the different options (50Hz / 60Hz / Auto) ?
Is the contact saved on your phone locally only or is it synchronised with your Google account? If synchronised, can you try changing the contact name in your Google/Gmail address book (through the google/gmail website) rather than on your phone?
Oh no, this is becoming a real pain if it stops working every few weeks.So far, it still works for me and I'm hoping it will remain... Is the device still showing "certified" in your case @Famisha and what Play Store Version do you have? (Go to Play...