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.

Our responsibility ends with delivering the vehicle to the Russian border or Far East port and providing the legal Chinese export documents. The payment of Scrap Tax, application for SBKTS (Vehicle Structure Safety Certificate), and activation of the final e-PTS electronic passport must be fully handled by the Russian buyer and their local customs broker.

We will never perform blind deep disassembly unless there are clear severe fault codes or extreme noises. The sealing of the engine and transmission is crucial, and compromising the factory seals to investigate non-existent issues is unprofessional. We rely on data flow and external acoustic and fluid analysis to make judgments.