🔓 How to Unlock Huawei E5172s-927 Zain Router for All SIMs in Pakistan | IMEI Update with PuTTY

Are you struggling to use your Huawei E5172s-927 router locked to Zain Saudi Arabia with other SIM cards in Pakistan? Good news — you can unlock it and use any Pakistani network (Jazz, Telenor, Ufone, Zong) with a simple firmware update and IMEI modification.

In this step-by-step guide, you’ll learn how to:

✅ Unlock the Zain-locked Huawei E5172s-927 router

✅ Use it with any network in Pakistan

✅ Change the IMEI number using PuTTY

✅ Download all required files directly from this blog

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📦 What You Need

1. Huawei E5172s-927 Router (Zain locked)

2. Windows PC or Laptop

3. USB Cable

4. Firmware Update File (provided below)

5. PuTTY software

6. Basic knowledge of connecting a router to a PC

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🔧 Step 1: Unlock the Router via Firmware Update

The unlocking method is simple — no complicated flashing or test point needed. Just follow these steps:

1. Power on the router and connect it to your PC via LAN or USB.

2. Open a web browser and go to:
   http://192.168.1.1

3. Login with your router credentials (usually admin/admin).

4. Go to the Firmware Upgrade section.

5. Upload the custom firmware file provided below.

6. Wait for the router to complete the update and reboot.

✅ Your router is now unlocked and ready to use with any SIM in Pakistan.

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🛠 Step 2: Change IMEI Using PuTTY

To avoid network restrictions or errors, you can update your router's IMEI number.

🔹 How to Use PuTTY to Change IMEI

1. Download and install PuTTY on your PC.

2. Connect your router via USB.

3. Open PuTTY and select Serial connection.

4. Set COM Port (check in Device Manager) and baud rate to 9600.

5. In the terminal, type the following command to write IMEI:

AT^CIMEI="YOUR_NEW_IMEI_HERE"

6. Press Enter. You should get an OK response.

7. Reboot the router.

✅ Your router’s IMEI has now been successfully changed.

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📥 Download All Required Files

Download the exact files shown in the video tutorial:

1. 🔗 Huawei E5172s-927 Unlock Firmware

2. 🔗 PuTTY Software

3. 🔗 Step-by-Step Unlock PDF Guide

💡 Note: Make sure to use a valid IMEI number (from a mobile phone or original device).

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📌 Important Tips

1. Changing IMEI may be illegal in some countries — please check your local laws.

2. Use this guide responsibly and only for personal, legal purposes.

3. Backup your router settings before performing any firmware updates.

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✅ Conclusion

With this guide, you've now learned how to:

1. Unlock your Zain Huawei router for use in Pakistan

2. Update the firmware safely

3. Modify IMEI with PuTTY for better compatibility

This method is tested, reliable, and works without risky flashing or technical complexity.

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Disclaimer: This content is for educational purposes only. Modifying IMEI numbers may be restricted in some regions. The author holds no responsibility for misuse.

File Password: A2ZFlasher