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Hi Serpent!
I'm not sure your problem is the same with mine,
but after i damaged 2 SIM908 modules, the third still work until now,
i don't use the charging fucntion of SIM908,
i use external charging module which has been designed by myself , use LM3568 , it's output is connected paralel with...
I have just finished my project, that use SIM908 to get coordinates. I have the same problem : "Location Unknow" although every thing is OK in my design.
I killed 2 SIM908 modules, after that i found the fault is :
The Battery Charging Design in the SIM908 module is so bad, when i supply 5VDC to...
I had an the same problem: module SIM908 return "Location Unknown" when i typed "AT+CGPSSTATUS?". Just conect pin 75 and 76 (V_ANT_IN and OUT) you will have the good result.
I hope it would helpful!
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