We have a offical after-sales service agreement, all conditions on details. Please feel free contact us to get it. Thanks.

Hardware:

   ●  When parts broken at the moment you receive the goods, we supply you the new parts freely.

   ● We supply repair technical guidance if you have ablility to repair on your site.

   ●  Please follows the “caution” lable when you open the parts.

   ●  When Customers need to send back the broken parts for repair. The freight cost of each payment.

       When parts broken under the using, customers should pay for the components as well.

  ●There is a official after sales service agreement, please feel free contact us to get it .

Software:

●We send you the upgrade firmware freely.