If you have obtained the correct update file from a reliable source, the basic procedure is usually as follows. However, note that the exact steps can vary depending on your head unit.
Forums like XDA Developers often have community-shared Hiworld firmware repositories.
Before updating, check what is currently installed to ensure you aren't "downgrading":
If you have obtained the correct update file from a reliable source, the basic procedure is usually as follows. However, note that the exact steps can vary depending on your head unit.
Forums like XDA Developers often have community-shared Hiworld firmware repositories.
Before updating, check what is currently installed to ensure you aren't "downgrading":