Remove the back cover
Turn the back of your router towards you.
Slide the back cover downwards and remove it.
Slide the back cover downwards and remove it.
Insert your SIM
Place your SIM as illustrated next to the SIM holder.
Slide your SIM into the SIM holder.
Insert the battery
Place the battery in your phone, bottom first, matching the battery contacts with the phone contacts and press the battery into place.
Replace the back cover
Place the cover on your router with ½ cm opening at the top and slide it upwards.