Huawei Ultra low stick K3771

Step 1 of 3

Remove the cover

Turn the front of your USB modem towards you.
Slide the cover downwards and remove it.

Step 2 of 3

Insert your SIM

Place your SIM in the SIM holder and slide your SIM into the holder.

Step 3 of 3

Insert your SIM

Place the cover on your USB modem with ½ cm opening at the top and slide the cover upwards.