Yes. If your country (such as Chile, Peru, ASEAN countries, etc.) has signed a bilateral free trade agreement with China, our documentation center will apply to Chinese customs or the trade promotion agency for specific versions of the certificate of origin (such as Form E, Form F, etc.), which can help you legally apply for significant tariff reductions at the destination port.

Most new car manufacturers' e-SIMs are directly soldered onto the T-Box motherboard (surface-mounted) and cannot be removed and replaced like a phone. Unauthorized desoldering of the motherboard may cause complete communication failure in the vehicle, and we strictly prohibit this operation.

Absolutely not. Any secondary damage caused by overseas non-professional repairs, violent disassembly, or the use of inferior replacement fluids will immediately void any form of "extended parts compensation" we provide.