Firmware Link:



Release Note:





Regarding which version the phone should be upgraded, you can distinguish it by the follow way.

Due to the distinction of the hardware platform of the phone, if the DSP parameter of the phone with "M", then 

   UC902/UC903/UC912(G)(E) need to upgrade the fw900M.rom

    UC923/UC924(E)/UC926(E) nned to upgrade the fw920M.rom 


    If the DSP parameter of the phone without "M", then 

    UC902 upgrade the fw902.rom, UC903 upgrade the fw903.rom, UC912(G) upgrade the fw912.rom

    UC923 upgrade the fw923.rom, UC924 upgrade the fw924.rom, UC926 upgrade the fw926.rom.