We do not offer refunds. this is a digital product, and cannot be refunded. Also, we are not responsible for the manufacturer work, because we do not write these manuals. The manufacturer can include some references to other models, is not our responsabilty for what manufacturer is written in the content.
Returns are not supported for digital products. In the case of a refund, the customer does not have to send the manual back.
We support all the costs for USB devices returned in the original package.