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.

Before export, we perform a standard external wash and interior vacuuming to meet basic hygiene inspection requirements by customs. However, we do not engage in deceptive "refurbishments" (such as repainting large areas with cheap paint or using low-quality interior refurbishing agents) to preserve the vehicle's true physical condition for buyer assessment.

Mainstream Chinese automakers rarely publish official English versions of their underlying circuit diagrams. We can provide some models' original Chinese technical documents (PDF) for B2B clients, which you will need to translate for your local mechanics using translation software.