Raspberry Pi 4B
      Back to home
      1. Knowledge Base
      2. Hardware
      3. Raspberry Pi 4B

      Known issues of emteria.OS on Raspberry Pi 4B (RPi4)

      Known issues with emteria.OS for Raspberry Pi 4

      • Some performance and animation issues (v14.1.0)
      • No camera support (v14.1.0)
      • No progress image during update with RPi4 touchscreen (v11.x.x)
        • Touchscreen uses no default pixel format, which recovery does not support
        • Display stays black, but update is performed and device reboots automatically
      • No support for GSM/WiFi modules, neither USB nor GPIO
      • Missing apps and features:
        • TWRP (not planned)
      • Hardware:
        • Support for only one simultaneous Bluetooth connection
        • Spedal MF920Pro USB Webcam
        • Waveshare SKU: 16103, 5″5 touchscreen [forum discussion]
      • Display shuts down although "Keep awake" is enabled if you have "Extended brightness range" enabled, but your display does not support extended brightness
        • Disable "Extended brightness range"
      • Interferences of 2.4 GHz WiFi, USB3, and certain HDMI resolutions [forum discussion]

      Missing anything? Let us know in our forum!

      Past issues with emteria.OS for Raspberry Pi 4

      • No BLE support (fixed in v13.5.0)
      • No HDMI audio output (fixed in v13.4.0)
      • Rarely, WiFi connection cannot be established (fixed in v13.3.0)
        • Due to a race condition WiFi drivers sometimes cannot be loaded
        • Workaround is to reboot the device
      • Ethernet settings cannot be changed (fixed in v13.3.0)
      • No ssh/sftp functionality (fixed in v13.3.0)
      • Android Notification (fixed in v13.1.26)
        “Serial console enabled
        Performance is impacted. To disable, check bootloader”
        • You can get rid of it by disabling developer messages
      • Home screen flickers for 10 seconds after wake-up
      • Brightness/contrast is high with official RPi Touchscreen (fixed in v11.8.0)
      • Newer versions of the official touchscreen do not register touch events (fixed in v11.6.20)
        • There seems to be a newer controller revision with "generic ft5x06 (00)"
      • VNC image is distorted after screen rotation (fixed in v11.5.4)
        • Workaround: only start VNC server after rotating the screen
      • CSI cameras do not work in combination with a DSI display (fixed in v11.4.23)
      • Display flickers on transitions (fixed in v11.4.23)
      • Screen Rotation issues (fixed in v11.4.6)
        • Rotation is not persistent after reboot
          • Workaround:
            • Connect via adb to the device shell and use following commands:
            • settings put system accelometer_rotation 1
            • settings put system user_rotation X (where X is 0-3, whichever rotation you need)
        • 90°/270° rotation switches on screen rotation lock
      • Problems with Bluetooth LE (fixed in v11.3.16)