I can not reset YOUR iPhone 5, only YOU can do that.
Do you mean remove them? and if so, you need to reset the iPhone.
You can not reset the game
the built in ones
Setting----General-----Reset------------------Done!
Yes
The region format on iPhone is used to delete and factory reset your iPhone. This is usually done when your iPhone becomes slow. This option is available on the setting tab of your iPhone.
Try the factory standard code of 0000 (four zeroes). If that doesn't work - you'll have to get it reset by a phone shop.
5 houres
ignore it
factory reset it or restore it
The four digit number to unlock the iPhone is your choice but if it's not working then call the company you brought the iPhone from.