Huawei EM770W User Manual page 16

Removing the EM770W from the Main Board of the customer device
1. Disconnect the 5V external power supply from the DEMO board. If the 5V power of the
DEMO board is supplied from the Mini USB, disconnect the Mini USB port instead.
2. Disconnect the used interface(s) from the DEMO board.
3. Disconnect the antenna cables from the EM770W. You can lift the connectors with a small
screwdriver.
If the antenna cables are connected from the DEMO board, disconnected the short cables
which are using for connecting the EM770W and its DEMO board.
4. Slide backwards the two clips to release the EM770W from the slot. Then, lift up the
EM770W.
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