View single post by slychiu
 Posted: Friday Sep 27th, 2013 01:41 pm
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slychiu



Joined: Saturday Apr 29th, 2006
Location: Singapore
Posts: 5493
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GSM 7.029 firmware allows UCM/GSM3 firmware to be upgraded to UCM/GSM4 firmware even though the two types are different
With GSM 7.029 firmware installed, the firmware can be upgraded to UCM/GSM4 firmware
However, a U2 EEPROM  24LC256 is needed in the U2 IC socket and the GSM Submodule needs to be SIM900. See Upgrading information at http://www.comfortforums.com/forum48/3527.html


New Features
  1. Can be upgraded to GSMv4 firmware which is a different Type
  2. Implemented Serial Number for future use

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