RKAndroidTool (often abbreviated as RKTool) is a Windows-based PC utility designed to communicate with Rockchip processors when they are placed in a special low-level state known as Loader Mode or Mask ROM Mode. Unlike standard Android Debug Bridge (ADB) or fastboot, RKAndroidTool bypasses the installed OS entirely, allowing direct read/write access to the device’s internal NAND flash memory or eMMC storage.
Version 1.35 is one of the most widely circulated and stable releases of this tool. While newer versions exist (v2.x, v3.x), v1.35 remains popular for several reasons:
Problem: Large firmware (>2GB) can flash slowly with no ETA or verbose progress.
Feature Idea:
flash_log_YYYYMMDD_HHMMSS.txt.Problem: Flashing many identical devices (e.g., for manufacturing or lab testing) requires manually clicking and selecting firmware each time. RKAndroidTool v1.35
Feature Idea:
The most common point of failure is not getting the device into the correct mode. Here are three methods:
Method 1 (Standard):
Method 2 (Mask ROM Mode — for completely bricked devices): Problem : Large firmware (>2GB) can flash slowly
Method 3 (Using existing ADB):
Problem: Flashing corrupt or wrong firmware can brick the device (hard to recover without shorting pins).
Feature Idea:
If Windows does not recognize your device when connected, install the drivers: Save flash log automatically to flash_log_YYYYMMDD_HHMMSS
RKAndroidTool v1.35 was designed primarily for the following Rockchip SoCs:
Partial / Experimental Support:
Not Supported:
If your device has a USB port labeled "OTG" or "Host", and it uses one of the chips above, RKAndroidTool v1.35 is likely the correct tool.
Problem: The tool is GUI-only, making automation difficult for CI/CD or advanced users.
Feature Idea: