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PCB board, and insert the SIM card.Put the PCB back to the cover, tighten the screw, and put back the rubber plug. Note: 1. If the Shine GPRS-F module with SIM card, no need above Growatt Shine GPRS-F operation.
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1 sec, mean communication OK. 2) If want change Shine GPRS-F to a new account, delete it from previous account first, then add it to new account. 3) If want to set Shine GPRS-F to factory settings, remove the rubber plug, and press the KEY button for 6 sec until blue LED always ON.