How to Bind Your Device to OBDSTAR APP? (2025 Latest Guide)

This article will guide you through the process of binding your device with the OBDSTAR app to enable seamless integration between the repair information software and your mobile phone.

The operation applies to all OBDSTAR tablet series products like X300 Classic G3, DC706 ECU Tool, ODO Master, P50, etc.

1. Update Software

Update the Repair Information on your device and the OBDSTAR APP on your phone to their latest version.

2. Bind The Device

(1) On the device, tap "VCI Infor >> Device QR Code".

(2) On the mobile app, go to "Me >> My Device >> Device binding", and allow camera access.

(3) Scan the QR code, and it will show the device details, then tap "TO BIND".

3. Tap Repair Information, then use the OBDSTAR APP to scan the login QR code displayed on the device.

Once the binding is complete, you can access the relevant information as usual.

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Solved: OBDSTAR P50/DC706 "Please login first!" Upgrade Issue

Issue Description: Users of OBDSTAR P50 and DC706 diagnostic tools may encounter the error "Please login first!" when attempting to perform a one-click upgrade. This prevents the device from updating its software, limiting functionality.

Probable Cause

The error typically occurs due to an inactive or expired login session. The device requires users to authenticate their account before allowing software upgrades.

Solution

Follow these steps to resolve the issue:

1. Log In Again

- Open the OBDSTAR software and navigate to the Personal Center.

- Enter your credentials to log in. Ensure your account is active and properly registered.

2. Retry the Upgrade

- After logging in, return to the One-Click Upgrade section.

- Download and install the latest software version.

3. Check Account Status

If the issue persists, verify your account status on the official OBDSTAR website or contact support.

Additional Tips

 Ensure a stable internet connection during the upgrade process.

 Clear the device cache if login attempts fail repeatedly.

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Hyundai ME17.9.21.1 ECU Idle Speed Repair by OBDSTAR DC706

This guide will walk you through how to use the OBDSTAR DC706 ECU Tool to perform data reading/writing and idle speed repair on a Hyundai Bosch ME17.9.21.1 ECU.

Tools Required:

OBDSTAR DC706 (X300 Classic G3 is also supported)

High-power DC regulated power supply

Main cable

ECU Clone Jumper

MP001 Programmer

Hyundai ME17.9.21.1 ECU

Step-by-Step Instructions:

1. Preparation

Before proceeding, ensure that the software is upgraded to the latest version.

Launch the [ECU Flasher] software and select Passenger Car [ECM].

2. Model Search

Use the search box in the upper right corner to quickly locate the corresponding ECU model.

3. Review the Guide

Open the [Guide] section and carefully read through:

Warm reminders

Function descriptions

Operation instructions

Connection methods

4. Connector Pinout

Open the [Connector Pinout] section and connect the hardware according to the provided diagrams.

5. Start the Process

After completing the physical connection, tap [Start].

6. ECU Connection and Data Backup

Establish a connection to the ECU.

Perform a full data backup immediately.

File names can be customized for easy identification.

7. Data Writing

Write the previously backed-up data back into the ECU module.

8. Idle Speed Repair

Tap on [Idle Speed Repair].

Once the operation is completed, reinstall the ECU module into the vehicle.

After repair, the normal idle speed will be stabilized between 800–850 RPM.

By following these steps carefully, you can ensure that the Hyundai ME17.9.21.1 ECU is properly repaired and operating at optimal idle speed.

Video guides:

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Writing VIN on Buick Delphi MT60 ECM Using OBDSTAR DC706

To write the VIN on a Buick Delphi MT60 ECM using the OBDSTAR DC706 ECU tool, follow these structured steps:

Required Tools:

OBDSTAR DC706 (or X300 Classic G3)

High-power DC regulated power supply

Main cable

ECU clone jumper

MP001 programmer

Delphi MT60 ECM

Preparation:

Ensure the software is updated to the latest version before starting.

Steps to Write VIN:

1. Access ECU Flasher

Tap [ECU Flasher] > [ECM] > [ECM V31.70].

Use the search function in the upper-right corner to locate the module quickly.

2. Review Guide & Connection Methods

Tap [Guide] and carefully read the operation instructions.

Review the procedures for both the BOOT and BENCH modes.

3. Select and Verify Connection Mode

Open [Pinout], select [BENCH], and confirm the module's appearance matches your ECU.

Open [Connector Pinout] and follow the connection diagram.

4. Establish Connection

Connect the module accordingly.

Tap [Start] to begin.

Note: If cloning the ECU, use the BOOT mode instead.

5. Backup Original Data

After a successful connection, back up the original ECU data.

Customize the file name as needed.

6. Write the VIN

Tap [Write VIN].

Enter the new VIN.

Confirm the update. Writing completed!

Conclusion:

By following these steps, you can efficiently modify the VIN on the Delphi MT60 ECM using OBDSTAR DC706. Always ensure data backup before making changes.

Video guides:

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OBDSTAR DC706 Volvo HCM R/W Data, Coding, Change Left Side

This article will demonstrate how to use OBDSTAR DC706 to read and write data, read coding, and modify left or right-side settings on the Volvo HCM module. It also supports OBDSTAR X300 Classic G3.

Required Tools:

DC706 ECU Tool

High-power DC regulated power supply

Main cable

ECU clone jumper

120Ω resistor

MP001 Programmer

Volvo HCM module

Procedure

Before proceeding, you need to upgrade the software to the latest version.

ECU Flasher >> BODY/CHASSIS/OTHER >> Latest version >> VOLVO HCM(OLD) CONTINENTAL RIGHT R7F7010244 >> Pinout >> BENCH, MP001, OK

Check if the module's appearance is consistent.

Click "Guide" and carefully read the warm reminder, function description, operation introduction, and connection method.

Connect the device according to the wiring diagram.

After connecting, click "Start".

BENCH >> MP001 >> OK

This function is available when connecting to the service. Please ensure the Internet connection is normal.

Click "Connect >> OK".

Here, we can read and write coding, read and write INT flash(R7F7010244), and change the left side.

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