User Guide
Table Of Contents
Note: Please make sure it is right file format for right model. 
5.13. Upgrade-Basic 
5.13.1. 
Upgrade-Basic 
GFirmware Version: To display the current firmware version. 
Hardware Version: To display the current hardware version. 
Upgrade: To select upgrading rom file from your PC manually, 
then click the submit to begin update. 
Reset to factory setting option: Reset all data(in the 
directory /data) to factorysettings. 
Reset config to factory setting option: Reset all 
configurations(in the directory /data/data/config) which only be 
used by IT82A(869) to factory settings. But like 3rd party 
application which you installed, contacts which you added, 
such kind of data will not bereset. 










