How to Flash Your Tablet Device (Step-by-Step Guide)
Keeping your Autel device up to date ensures smooth performance, access to the latest features, and reliable operation. In some cases, flashing the device — which means reinstalling or updating its firmware — can help resolve issues or restore it to optimal condition. This step-by-step guide will walk you through the process, showing you how to safely create an upgrade SD card and update your device, even if you’ve never done it before.
So, how do you safely flash your device? Don’t worry — this step-by-step guide will walk you through the entire process, even if you have no prior experience. By following this tutorial, you can easily create an upgrade SD card and update your device’s firmware.
📦 What You Need Before You Start
Before flashing your IM508S, make sure you have the following items ready:
- 💻 Windows PC
- 💾 Micro SD card
- 🔌 SD card reader (if your computer doesn’t have a built-in slot)
- 🛠 SDDiskTool upgrade package
Download Link: Google Drive
Part 1: Create the Upgrade SD Card
Step 1: Insert the SD Card into Your Computer
Insert the SD card directly into your computer’s SD card slot, or connect it using a USB card reader.
Step 2: Extract the Upgrade Tool
- Download SDDiskTool_v1.7-English.zip
- Extract the file to any folder on your Windows computer
- ⚠️ Note: This tool only works on Windows OS
Step 3: Launch SDDiskTool
- Open the extracted folder
- Double-click SD_Firmware_Tool.exe to launch the program
Step 4: Create the Upgrade SD Card
Inside the tool interface, follow the on-screen steps in order: First → Second → Third. After completing the Third step, click Create.
Important Tip: If you do not want to erase the existing vehicle software on your IM508S, create a text file named keepcar.txt and place it in the root directory of the SD card before clicking “Create”.
Step 5: Wait for Completion
Once the process finishes, your upgrade SD card is ready.

Part 2: Flash the IM508S Device
Step 6: Insert the SD Card into IM508S
Insert the prepared upgrade SD card into the SD card slot on your IM508S device.
Step 7: Power On the Device
Turn on the IM508S. The system will automatically detect the SD card and start the upgrade process.
Step 8: Complete the Upgrade
- Wait until the upgrade finishes
- Remove the SD card when prompted
- The device will reboot automatically
By following this guide, you’ve learned how to safely flash your Autel device and update its firmware, ensuring it runs smoothly and stays up to date. Regular firmware updates not only improve performance but also help prevent potential issues before they occur. Remember to always back up your data and follow the steps carefully — with a little patience, maintaining your device is simple and stress-free. Your Autel device is now ready to deliver optimal performance, so you can get back to your work with confidence.