Experience turbo lag and power surge during road tests; check for significant oil accumulation at the turbo intake and intercooler connections (slight oil vapor is normal); and use OBD to read the real-time boost pressure peak to see if it meets factory settings.

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.

Our legal delivery milestone is based on the "Estimated Time of Departure (ETD)". As long as the vehicle enters the port area and customs clearance is completed within the agreed timeframe, any delays in shipping schedules due to the shipping company's capacity adjustments will not be considered a breach on our part. The uncontrollability of maritime transport must be factored into your expectations.