Haval Jolion Software Update Verified -

Do not use random forum files – only official sources:

✅ FOTA (preferred):
Go to Settings → System → System Update → Check for updates (needs good 4G/WiFi)

✅ USB method (if FOTA not available):
Dealer provides a .zip file → extract to FAT32‑formatted USB drive (16–32GB). haval jolion software update verified

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| Issue | Likely Cause | Solution | |-------|--------------|----------| | “Update file not found” | Wrong USB format or wrong folder structure | Reformat FAT32, place update.zip in root | | Stuck at 0% or 99% | Low battery or corrupted file | Restart engine, retry with fresh download | | Screen stays black after update | Power cycle required | Hold volume knob down for 15 sec → forces reset | | CarPlay/Android Auto gone after update | Settings reset | Re‑enable in “Connectivity” menu | | Update fails with “signature error” | Wrong region file | Get file matching your VIN from official source |

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An unverified or improperly installed update can cause: Do not use random forum files – only official sources:

A verified update means the software has been:

Only works for 2024+ Jolions with an active 4G/5G eSIM or connected Wi-Fi. ✅ FOTA (preferred): Go to Settings → System

Note: OTA updates are staggered by VIN. If your car says “No update available” but you know version 2.4.3 exists, wait 2–3 weeks or try Method 2.

Many owners reported low-speed hesitation (1st to 2nd gear) in city traffic. The verified TCU update: