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).
Only works for 2024+ Jolions with an active 4G/5G eSIM or connected Wi-Fi. haval jolion software update verified
If OTA fails or your Jolion has a persistent bug, a dealer uses a verified USB stick. You are at least two major revisions behind