Can judge only from the outer cell phone. Unfortunately, I belong probably to the group, who had no luck with the Nokia 100 ... Rear lid does - even after many repeated attempts - not move, let alone move since. In the customer recessions often criticized. Can there be another gamble: Can it be open or not? (Instructions to SIM card and battery)
Even 3 mobile experienced men were not able to open or -Move .. There the cover for inserting the battery has been taken to the manufacturer's instructions.