Lenovo A606 Smartphone - Manual (Page 14)

Warranty information
13
2 On-site Service
3 Courier or Depot Service
4 Customer Carry-In Service
5 Mail-in Service
6 Customer Two-Way Mail-in Service
7 Product Exchange Service
For a full explanation of the types of warranty service, refer to the full warranty.
See “Lenovo Limited Warranty notice” for details on accessing the full
warranty.