If your desired language is not listed in the device settings, you must "flash" the tool with a different language version using the . 1. Download the Update Tool Visit the official iCarsoft Support & Update page.

Factory reset may restore language menu if missing: Turn off → hold OK + Back while powering on → select Factory Defaults (warning: erases saved data).

For most iCarsoft models, including the i900 series, V1.0, V2.0, and V3.0, follow these steps:

For regional variants permanently fixed to Chinese or German, users must contact iCarsoft support (support@icarsoft.com) to request a multilingual firmware file specific to their hardware revision.

: These older units usually have 2–3 pre-loaded languages. If yours doesn't have the one you need, it cannot be added via software; you may need a different regional version of the hardware.

Alternative methods and firmware updates