Step 1 of 6
Unlock the back cover by twisting the lock screw counterclockwise. Then, lift up the back cover using the small notch at the bottom of the phone.
Step 2 of 6
Slide the flap of the SIM card holder towards the bottom of the phone to unlock it, then lift it up.
Step 3 of 6
Insert the SIM card into the flap, making sure the gold contacts are facing towards you and the cut-off corner is at the top-right. Ensure the SIM card is inserted behind the SIM card guide tabs.
Step 4 of 6
Lower the flap of the SIM card holder and slide the flap towards the top of the phone to lock it.
Step 5 of 6
Line up the gold contacts on the battery with the contacts on the phone. Insert the top part of the battery first, then push it into place.
Step 6 of 6
Replace the back cover, making sure all the tabs are secure and there are no gaps around the cover. Then, lock the back cover by twisting the lock screw clockwise.