技术支持
A2X
Firmware
A21-V2.3.3.ef440.zip Published Date(M/D/Y) 2017-05-02
Language English
File Size 7.33M
Browser Win2000/WinXP/Win2003
Modifications and Bug Fixes 2.xxx first official release


Notes Please unzip the file before upgrade.
If the phone current firmware below 2.xxx, please first upgrade the interim firmware V1.3.0.efb7d.

MD5:5ADCBA6916048FCCBE05199C8E48DD43

 
A21-V1.3.0.efb7d.zip Published Date(M/D/Y) 2017-02-23
Language English
File Size 7.51M
Browser IE, Firefox, Google
Modifications and Bug Fixes 1.Interim firmware
2.1.xxx latest trunk firmware
Notes Please note:
This firmware applies to 1.xxx upgrade to 2.xxx firmware, or 2.xxx downgrade to 1.xxx firmware.
 
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