The screen flickered to life, displaying the progress bar as the update began to download. Ali watched with interest as the percentage incremented, finally reaching 100%. The vehicle then entered a state of "update verification," where it checked the integrity of the downloaded software.
⚠️ Avoid downloading “Jolion update files” from forums or social media. Unverified USB updates can permanently lock your infotainment unit. haval jolion software update verified
Haval Jolion has received significant software updates as of 2026, specifically targeting the Advanced Driver Assistance Systems (ADAS) that many owners found overly intrusive. Verified updates can be applied via Over-the-Air (OTA) network connections or at authorized GWM/Haval service centres Key Verified Updates & Fixes ADAS & Lane Keeping (LSS): The screen flickered to life, displaying the progress
The TCU update cannot be performed by the owner. It requires a (X431 or OEM tool) to flash the transmission control module. Expect to pay 0.5–1.0 hour of labor ($60–$120 USD equivalent). Many dealers will perform it for free if you report the “low-speed jerk” as a safety concern. Verified updates can be applied via Over-the-Air (OTA)
Select "HUT Update" and wait approximately 15 minutes. Do not turn off the engine during this time. Enhancing Your System
Only works for 2024+ Jolions with an active 4G/5G eSIM or connected Wi-Fi.