
Nokia 100
Remove the back cover
Turn the back of your phone towards you.
Slide the back cover downwards and remove it.
Slide the back cover downwards and remove it.
Insert your SIM
Place your SIM in the SIM holder.
Slide your SIM into the SIM holder.
Slide your SIM into the SIM holder.
Insert battery
Place the battery in your phone (bottom first), matching the battery contacts with the phone contacts, and press it into place.

Replace the back cover
Place the back cover on your phone with a 1-2 mm opening at the top.
Slide the back cover upwards until it clicks into place.
Slide the back cover upwards until it clicks into place.