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Ensures the screen, sound, and input methods function perfectly. 825x Pro Firmware: Stock vs. Custom
A common complaint with BMW-specific 825x Pro units is a persistent BMW-style sidebar overlay that appears on the right side of the screen, showing icons for navigation, vehicle info, and music. Factory resets and standard settings (codes 8878 and 8888) don't remove it. In some cases, updating the HMI (Human-Machine Interface) or theme via a firmware update can remove or provide a toggle for this sidebar, giving you a cleaner Android Auto or CarPlay experience. 825x pro firmware best
Go to Settings > About Device and tap "Build Number" seven times. Ensures the screen, sound, and input methods function