(Common for specialized feature settings like Zlink/CarPlay) How to Access the Menu app on your head unit. Navigate to Car Settings Look for a sub-menu labeled Factory Settings Developer Options Extra Settings Enter one of the codes above when the keypad appears. What You Can Change in Factory Settings
| Function / Menu | Potential Password | Notes | | :--- | :--- | :--- | | | factory or test | Root shell access | | Engineering Mode | 000000 , 1234 | For RF/testing tweaks | | Secure Boot Auth (Flash Tool) | (No text password – requires .auth file) | Obtain from OEM | | Factory ZIP Password | RDA@598# or unlock | For OTA update packages | | USB Debugging RSA Key | ums5122019 | Rare, but seen on some 1H10 builds | ums512-1h10-natv password
To access restricted areas such as "Factory Settings," "Developer Options," or "Extra Settings," you typically need a system passcode. Because these units are sold under various brands, the password depends on the specific software skin (UI) installed. Because these units are sold under various brands,