Before calling, please make sure you have the following information prepared: 1. Product Model
2. Serial number
3. Personal information (full name and contact details)
4. Email address
If you will seek repair support, we suggest you to include and prepare your official receipt as well to help you process the request swiftly. Please backup data before returning to the factory settings, it is because return to the factory settings will delete all the data in the device.How to backup：Laptops/Desktop PC/All-in-One
Window7 Window8 Window10 Phones
Phones 
