Samsung B2710
1 Remove the back cover
Turn the back of your phone towards you.
Turn the back cover lock anticlockwise using a coin.
Turn the back cover lock anticlockwise using a coin.
Take hold of the top of the back cover and remove it.
2 Insert your SIM
Place your SIM as illustrated on the SIM holder.
Slide your SIM into the holder.
3 Insert the battery
Place the battery in your phone, top first, matching the battery contacts with the phone contacts and press the battery into place.
4 Replace the back cover
Place the back cover on your phone, bottom first, and press the top downwards.
Use a coin to turn the back cover lock clockwise to secure the back cover.