Quad-core T3 P1 Update Jun 2026

Go to Factory Settings (commonly accessed using pin codes 8888 , 1234 , or 0000 ). Find the Touchscreen Calibration or XY Axis Swap option to flip the orientation back to normal. Post-Update Optimization Tips

Fixes compatibility issues with modern apps that require higher Android API levels, reducing app crashes.

Take a clear picture of your current software parameters. You need to know the OS Version string (e.g., V8.1.1_20211215... ) and the MCU Version string (e.g., STM32-20190828... ).

Rolled out in early October 2024 (build number T3P1.2410.12), this update is classified as a . Here are the major components: Quad-core T3 P1 Update

Note: T3 = R40 variant. If your P1 board uses AXP209 or AXP221 PMIC, ensure the updated U-Boot has the correct PMIC init sequence, otherwise voltage rails may fail.

A stable power supply (keep your car engine running during the process). Step 1: Prepare the Media

If GPS signals are weak after updating, ensure the satellite antenna is properly connected and that the vehicle is in an open area to allow the unit to re-receive initial satellite information. Go to Factory Settings (commonly accessed using pin

| Problem | Possible Solution | Source | | :--- | :--- | :--- | | | The screen comes on but it's blank. Connect a USB device; if its light only flickers briefly, the update may have failed. | | | Unable to install from USB | The system doesn't recognize your USB drive. Try a different USB port (if available) or a different drive formatted to FAT32. | | | Stuck on bootloader | The device is stuck in a boot loop. You can try to reflash the firmware using the appropriate method. | | | Wi-Fi / Bluetooth not working | After an update, certain features may break. This is often due to a mismatch in the configuration. | | | Apparent "downgrade" | A diagnostic app shows the Android version is older than the system settings claim. This indicates a "fake" version was originally present. | |

A: This is not a simple over-the-air update. The T3 platform does not support major version upgrades using standard ZIP update files. Upgrading to a new Android version would require a full .img file flash, which is rarely, if ever, available for these units. It is not recommended.

Press and hold the RST button using a paperclip while simultaneously holding down the physical button. Take a clear picture of your current software parameters

: If the system still feels slow after an update, enable Developer Options and set "Window animation scale" to Off to make the UI feel much faster.

If you are experiencing sluggishness or app crashes, upgrading to the latest T3 P1 firmware is highly recommended.

Quad-core T3 P1 Update: How to Flash and Optimize Your Android Head Unit