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                    1/ 8Click "ABOUT"→"Update"→"Local update" in succession  
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                    2/ 8Choose the OTA zip file from you Udisk.  
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                    3/ 8Verifying the ota file  
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                    4/ 8Copying the ota file  
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                    5/ 8When finished copy,click "Update"  
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                    6/ 8Wait the updating(please don't turn off the power)  
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                    7/ 8When it finished, then the unit will automatically restart,the upgrade is success.  
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                    8/ 8Reopen the About page, the Software Version is the new version now.  
