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I am also having the same problem but in a bigger manner. Actually it works fine for 2-3 days and then it doesn't work. May be the problem is in network detection and once the network goes off, you need to start the GSM module manually. Is there any way to solve this problem?
I have a problem in SIM detection in SIM 900 module. When I insert SIM in the SIM card holder, sometimes it detects SIM for 10-15 times (i decide the SIM detection by the blinking of LED and time it takes to blink again) and then it doesn't detect the SIM. Till now the method I adopted was that...
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