The car must be parked in an area with strong cellular reception. Do not turn off the engine while the update is installing.

, focusing on multimedia stability, voice control, and enhanced smartphone integration. Verified Software Updates & Improvements (2026) Multimedia System (HUT) Update

A 2022 Thai press release confirmed an official software update for the Haval Jolion was designed to "improve fuel consumption efficiency" by approximately 14%, based on testing by the R&D team.

If your vehicle is not connected to the internet, or if you are taking your car to a dealer for service, a USB update may be used.

You are at least two major revisions behind. Do not attempt a direct jump to 2.4.3 via USB without a dealer’s intermediate update (risk of boot loop).

The latest verified system rollouts (such as versions iterating past the standard factory baselines) focus heavily on cabin comfort and drivability: System Component Prior System Issue Verified Update Resolution