Demex Easy GSM - Firmware Update Procedure; Disconnect Power Supply; Remove GSM Module Cover; Short Circuit D1 and D2 Pins

Demex AB, Skruvgatan 15, 333 33 Smålandsstenar, www.demex.se, tel. 0371-33540
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FIRMWARE UPDATE - GSM MODULE
1. Disconnect the power supply, and backup battery (if there is any)
2. Remove the cover of GSM module
3. Make a short circuit (connect) on D1 and D2 pins
4. Turn on the power supply