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.

No, we are not responsible. The high salt and humidity of the marine environment do have an impact on the chassis surface. We recommend buyers in tropical islands or countries that use salt for winter snow removal to perform a thorough chassis anti-rust spray locally immediately after the vehicle arrives.

All our measuring instruments (especially calipers, paint thickness gauges, and refrigerant pressure gauges) are calibrated quarterly according to ISO quality management system requirements to ensure the data we provide you is objective, accurate, and reliable.