View single post by slychiu
 Posted: Monday Sep 30th, 2013 07:27 am
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slychiu



Joined: Saturday Apr 29th, 2006
Location: Singapore
Posts: 5499
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You must replace the  SIM900 submodule  before upgrading to GSM4 firmware
If you do not have SIM900, ULT 7.037 (beta) will still have many of the new features except for the help functions




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