After-sale policy

1.Since the signed receipt date, free returning in 7 days,exchange in 15 days and 1 year warranty if the device is
with all accessories and device & package all without any humanity damage.
2.Rturning evidence: The user has to supply three guarantees certificate and relative purchase order number.
3.For quality problem return/exchange the user has to inquiry the service center, upload the certificates,return the
device after auditand then enter into the relative procedure.