It's extremely difficult. Unauthorized modifications can lead to module current overload protection, resulting in a lock. In China, you need to use the factory online engineer account to reprogram it. It's basically impossible to perform online decoding overseas. We strongly warn against blind electrical modifications on modern integrated circuit vehicles.

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.

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.