Jan 7, 2012 #1 mahesXtremeEngineering Advanced Member level 4 Joined Dec 17, 2011 Messages 103 Helped 2 Reputation 4 Reaction score 2 Trophy points 1,298 Activity points 1,832 Do we need to program the GSM module before using it or will it come with a preinstalled firmware.
Jan 7, 2012 #2 tpetar Advanced Member level 7 Joined Sep 27, 2010 Messages 6,417 Helped 1,713 Reputation 3,456 Reaction score 1,673 Trophy points 1,393 Location Pancevo-Belgrade, Serbia Activity points 37,363 It come with firmware! Lots of products can be updated with new firmware.