text: The version of the watch is displayed on “Firmware upgrade” in the column of “Device”, and 
  
  users can decide to whether upgrade the firmware version. 
  
  **13. Unbind**
  
  In the "Device" column of WearPro, scroll down to the "Unbind" and click to unbind the APP. The 
  iSO users need to go to the Bluetooth settings of the phone, select the Bluetooth name of the 