How to Reflash OBDSTAR X300 Classic G3 Firmware

If you’ve forgotten your OBDSTAR screen unlock password or need to update the firmware, follow these steps to reflash the firmware on your OBDSTAR X300 Classic G3. Note that the G3 uses a different firmware reflash file compared to the X300 DP Plus and other 5-inch tablets.

Files Needed:

  • SD Firmware Tool
  • G3 Reflash File: “DP800.img” (This file is very large. Please contact customer service at to obtain it.)

Important Warning:

Updating the firmware will delete all settings and software on your device. Users with an expired license cannot re-download the software using the one-click upgrade feature, so ensure you back up your software beforehand.

Steps to Reflash Firmware:

  1. Prepare a Working SD/TF Card:
    • Use the SD Firmware Tool to restore the TF card.
  2. Insert TF Card into Your Laptop:
  3. Select IMG Reflash File:
    • Choose the “DP800.img” file for the reflash.
  4. Create Upgradeable TF Card:
    • Click to create an upgradeable TF card and wait for the process to complete.
  5. Insert SD/TF Card into Your Device:
    • Once the map creation is done, insert the SD/TF card into your OBDSTAR X300 Classic G3.
    • Reboot the device and wait for the reflash process to complete.

By following these steps, you can successfully reflash the firmware on your OBDSTAR X300 Classic G3.

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