Huawei Ascend G620 - Manual (Page 11)

Preparations
6
2. Insert the micro-SIM card. Make sure the gold contact area and beveled
edge of the card are facing the right directions.
3. Close the battery cover.
Removing a micro-SIM card
Don't remove the micro-SIM card when your phone is powered on.
1. Open the battery cover.
2. Take out the micro-SIM card.