Changes must be requested before the shipping cut-off date (SI Cut-off Date) prior to the vessel's departure. Once the vessel has sailed, the shipping company will charge a high amendment fee, which may also cause delays in customs clearance at the destination port, with costs borne by the buyer.

We will provide a detailed logistics and insurance cost table from the port of origin to the destination port, but since we do not have access to the rapidly changing tariff dynamics of multiple countries, we cannot provide an absolute "Delivered Duty Paid (DDP)" calculation.

Yes. For software crashes, a forced restart (Hard Reset) can usually be done with a specific combination of physical buttons or by disconnecting the negative terminal of the 12V battery for 5 minutes to recover. We will send you these engineering operation manuals.