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Technical Information
Service Manual
Step 2: Another smart phone to be imported.  
Tap the model name and wait for the download.
(2) Backup: To keep backup of the quick conguration information and units information, including backup to cloud and backup list on 
the cloud.
Backup to cloud  
Enter the "Menu" on the left and tap "Backup".
Tap "Backup to cloud" and then tap "Yes". Then wait for the data download.