We will carefully check if the chassis number on the windshield, chassis, and door frame matches.

Absolutely prohibited. Chinese customs requires a "bare car" declaration for used car exports. If undeclared goods are found inside the vehicle, it could lead to inspection and detention, or even smuggling charges. We refuse any form of concealment requests.

Once the car system (especially in a closed ecosystem) undergoes a major version upgrade, its bootloader is usually locked, preventing downgrades. If this happens, there is basically no solution in an overseas environment. Therefore, we strongly warn: do not blindly insert a USB drive to upgrade while offline.