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.

For dealers who purchase the same brand models in bulk over a long term, we can coordinate senior technicians domestically to offer paid, regular Zoom video technical Q&A to resolve the issues you encounter locally.

Absolutely not. Exporting used cars requires clear proof of foreign currency receipts in USD/EUR (water bill) to be provided to the Chinese foreign exchange administration, customs, and tax authorities for document verification. Cryptocurrencies are considered illegal settlement channels.