James John – Software Engineer

Rkandroidtool V1.35 -

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):

Method 3 (Using existing ADB):

To use RKAndroidTool v1.35, the following standard procedure is usually followed:

Even experienced users encounter errors. Here is the unofficial user’s manual for v1.35 errors.

| Error Message | Likely Cause | Solution | | :--- | :--- | :--- | | "Download IDB Fail" | Corrupted NAND identifier block or incompatible loader. | Repeat "Erase IDB". Try a different RKLoader.bin. | | "Prepare IDB Fail" | Device is not in Loader Mode; or USB cable is poor. | Re-enter Loader Mode. Change USB cable. Disable power saving on USB root hub. | | "Test Device Fail" | Driver communication timeout. | Reinstall Rockchip drivers. Run tool as Admin. Disable antivirus. | | "RKU_ReadFlashInfo failed" | Device is in Mask ROM Mode but no loader loaded. | Manually specify a Loader.bin file in the tool’s settings. | | "Writing partition boot failed" | Bad blocks in eMMC. | Try flashing again. If persistent, the eMMC may be dying. |


Let me know your exact goal or problem, and I’ll help you step by step.

RKAndroidTool v1.35 is a legacy Windows-based utility developed by Rockchip for flashing and managing firmware on devices powered by Rockchip processors (SoCs). While newer versions like RKDevTool v2.84 are now standard for modern chips, v1.35 remains a critical tool for hobbyists and developers working with classic Rockchip hardware like the RK2918, RK3066, and RK3188. Key Features and Capabilities

RKAndroidTool v1.35: The Essential Guide for Rockchip Firmware Flashing

If you’ve ever delved into the world of Android TV boxes, tablets, or single-board computers (SBCs) powered by Rockchip processors, you’ve likely encountered the need for a specialized flashing utility. Among the various versions available, RKAndroidTool v1.35 remains a classic, lightweight, and highly effective choice for enthusiasts and developers working with legacy Rockchip hardware.

In this article, we’ll explore what RKAndroidTool v1.35 is, why it’s still relevant, and how to use it to manage your device’s firmware. What is RKAndroidTool v1.35? RKAndroidTool v1.35

RKAndroidTool is a Windows-based utility designed specifically for Rockchip-based devices (such as those using the RK3066, RK3188, or RK3288 chipsets). Unlike the "Batch Tool" which flashes a single image file to the entire device, RKAndroidTool allows for partition-level flashing.

This means you can flash individual components of your Android system—such as the kernel, recovery, or system partition—without wiping the entire device. Version 1.35 is particularly favored for its stability on older Windows systems and its compatibility with a wide range of "Golden Era" Rockchip devices. Key Features of Version 1.35

Partition Management: View and modify the memory offsets for different partitions.

Individual Image Flashing: Update only the boot image or recovery without touching your user data.

EraseIDB: A critical function for clearing the "ID Block" on a device’s NAND flash, often necessary when recovering from a soft brick.

Low-Level Format: Useful for preparing a device for a completely fresh installation of a new Android version or a custom ROM (like Lubuntu or PicUntu).

Driver Compatibility: Works seamlessly with the Rockchip USB Driver Assistant. How to Use RKAndroidTool v1.35

Before you begin, ensure you have the Rockchip USB Drivers installed on your PC and a high-quality USB cable. Step 1: Put Your Device into Maskrom or Loader Mode

For the tool to recognize your device, it must be in a specific boot mode. Power off the device. Hold the Recovery button (often a pinhole reset button).

Connect the device to your PC via USB while holding the button. The tool should display: "Found RKAndroid Loader Rock USB". Step 2: Loading Firmware Files

RKAndroidTool uses a configuration file (often named parameter) to define the memory addresses. Open the tool. The most common point of failure is not

Right-click in the list area to "Load Config" if your firmware package included a parameter file.

Ensure the checkboxes are marked for the partitions you wish to flash (e.g., parameter, kernel, boot, recovery, system).

Click the empty path cell next to each partition name to select the corresponding .img file from your computer. Step 3: Flashing

If you are performing a clean install, it is often recommended to click EraseIDB first. Once the "Erase OK" message appears, click Run.

The right-hand log window will show the progress. Once it reaches 100%, the device will typically reboot automatically. Common Troubleshooting

Device Not Found: This is almost always a driver issue. Reinstall the Rockchip Driver Assistant and try a different USB port (preferably a USB 2.0 port).

Download Boot Fail: This can happen if the USB cable is too long or of poor quality. Try the original cable that came with the device.

Stuck at "Checking Chip": Ensure your power supply is connected if the device is a TV box; USB power alone is often insufficient for flashing. Conclusion

While newer versions like the RKDevTool have since been released, RKAndroidTool v1.35 remains a staple in the toolkit of many hobbyists. Its straightforward interface and reliability make it the go-to choice for reviving older Rockchip hardware or experimenting with custom kernels.

Note: Flashing firmware carries risks. Always ensure you have a backup of your current firmware and that you are using files specifically designed for your exact device model.

RKAndroidTool v1.35 is a legacy utility primarily used for flashing and modifying Android firmware on devices powered by Rockchip (RK) chipsets, such as the RK3066 or RK2918. It was particularly popular during the era of Android "sticks" (like the MK808 or UG802) and early budget tablets (like PIPO or GoClever). Core Functionality Method 2 (Mask ROM Mode — for completely bricked devices):

The tool acts as a bridge between a Windows PC and a Rockchip device in "Bootloader" or "Loader" mode. Its main capabilities include: Partition Flashing: Users can flash individual partitions such as kernel.img recovery.img rather than flashing a single large update package. Device Detection:

When a device is correctly connected in loader mode, the tool displays the status "Found RKAndroid Loader Rock USB" IDB Erasing:

It allows users to "Erase IDB" (Internal Data Block), a troubleshooting step often used to clear corrupted data before a clean flash. Custom Recovery Installation:

It was a standard tool for installing custom recoveries like ClockworkMod (CWM) on early Rockchip tablets. Operating Modes and Requirements

To use RKAndroidTool v1.35, the device must typically be placed into a specific state: Reboot to Bootloader:

This can be achieved via hardware buttons or software commands (e.g., using reboot bootloader in a terminal emulator). Driver Dependency:

The tool requires the Rockchip USB drivers to be installed on the host Windows system to recognize the device. File Structure: Flashing usually requires a

file that defines the partition layout of the device's NAND flash memory. Common Use Cases Installing Linux: It was famously used in the installation process for , a lightweight Linux distribution for Rockchip devices. Unbricking:

Because it can detect devices that standard batch tools (like RKBatchTool) might miss, it is often used as a "last resort" for reviving "bricked" devices. Finless ROMs:


The tool serves as a GUI (Graphical User Interface) frontend for Rockchip’s command-line flashing tools. Its core functionalities include: