A125F Unknown Baseband Fix – Step-by-Step Guide by HalabTech

A125F Unknown Baseband Fix – Step-by-Step Guide by HalabTech

Today, we are giving you a complete solution to fix the Unknown Baseband issue on the Samsung Galaxy A125F device.

This problem occurs when reviving the device using a dump file without backing up the network (NVRAM/NVDATA) files, loss of baseband.

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🔧 Step-by-Step Instructions:

1. Download Required Files

Start by downloading the attached files provided in the fix package.

2. Bypass AUTH Protection

• Open the provided script to bypass the AUTH protection required by the flashing tool.

3. Hardware Preparation

• Solder the CLK point (Clock) to GND (Ground) on the device.
  
  
  
• Connect the phone to your PC via USB.

4. Load Scatter File

Also read :Samsung A12 SM-A125F Scatter Flash File Firmware (Dead Repair) U1 A125FXXU1AUB4

• Open SP Flash Tool.
• Load the provided scatter file into the tool.

5. Format Using Address Ranges

• Go to the Format tab in SP Flash Tool.
• Enter the first and second address values.
• Disconnect the phone once done.

6. Write the Second Set of Addresses

• Reconnect the device.
• Enter and write the second set of address values.

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By completing these steps, the baseband will be successfully restored on the A125F device.

🛠 Final Touches:

• Open Z3X Tool.
• Write IMEI.
• Perform a Patch Cert operation.

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✅ Congratulations! Your A125F is now fully restored with network functionality.

📥 Credits & Download Info:

• ⬇️ A125F Unknown Baseband Fix Download
• 🔗 Files by: @kasem_almuhamad
• 🔐 Password: HalabTech2021_MS
• 👨‍🔧 Shared by: HALABTECH Team