How to Sim Unlock ZTE X671? | ZTE Unlocking

If your ZTE phone is locked to a specific carrier and you want to use it with a different network, you’ll need to unlock it first. Fortunately, the process is simple when you follow the right steps. You can easily unlock your ZTE phone using its unique IMEI number.

In this guide, we’ll show you how to unlock your ZTE phone or modem using an official unlock code. Whether you’re using a phone or mobile broadband device, this method works for all models.

To unlock your device, all we need is the 15-digit IMEI number. You can get this by dialing *#06# on your phone or checking your modem/router settings.

Unlocking your ZTE X671 using our code is a manufacturer-approved process. It will not void your warranty. The code is sourced directly from the manufacturer or carrier database, which ensures a 100% success rate.

FAQs

Q: What information do I need to unlock my ZTE X671 device?

A: You only need the 15-digit IMEI number, which you can get by dialing *#06# on your phone or checking your modem/router settings.

Q: Is unlocking my ZTE X671 safe?

A: Yes. The unlock code is official and comes directly from the manufacturer’s or carrier’s database.

Q: Will unlocking void the warranty of my ZTE device?

A: No. This IMEI-based unlocking method is manufacturer-approved and does not void the warranty.

Q: How long does it take to receive the unlock code?

A: Delivery time varies by network and country. Most codes arrive within 1–3 business days.

Q: Do I need technical experience to unlock my ZTE X671 phone?

A: No. Insert a non-accepted SIM card, power on the phone, and enter the SIM Network Unlock PIN when prompted.

Q: How do I unlock my ZTE X671 modem or router?

A: Insert a SIM from another network, connect the device to a PC, open the WebUI/software, and enter the NCK code when asked.

Q: Is the unlock permanent?

A: Yes. Once the unlock code is accepted, your ZTE X671 device remains permanently unlocked.

Q: What should I do if the unlock code doesn’t work?

A: Contact RouterUnlock.com before retrying so the IMEI and code can be verified.

Q: Can I use any GSM SIM card after unlocking?

A: Yes. After unlocking, your ZTE X671 works with any GSM network worldwide.

How Long Does It Take to Get the Unlock Code?

The delivery time for your ZTE unlock code can vary based on your device’s network and country. You’ll find the estimated delivery time listed on the product page when placing your order.

Generally, you can expect to receive the code within a few hours to a few days. On average, most codes are delivered within 1–3 business days. However, delays may occur in rare cases due to technical or carrier-related issues.

How to Unlock ZTE X671?

For a Phone:

Follow these steps to unlock your ZTE X671 phone:

Step 1. Turn off your ZTE X671 device.

Step 2. Insert a SIM card from a different network provider. For example, insert a MetroPCS SIM into an O2-locked phone.

Step 3. Turn on the device.

Step 4. You will see a prompt asking for the "SIM Network Unlock PIN."

Step 5. Enter the unlock code you received from RouterUnlock.com.

Step 6. Your phone is now permanently unlocked.

For a Modem or Router:

Here’s how to unlock your ZTE X671 modem or router:

Step 1. Replace the original SIM card with one from a different network.

Step 2. Connect the device to a PC using a USB or LAN cable.

Step 3. Open the virtual CD-ROM and install the modem software/drivers if prompted.

Step 4. Launch the modem interface or WebUI from the desktop shortcut.

Step 5. Log in, if required.

Step 6. The interface will prompt for the unlock code (NCK). Enter the code provided by routerunlock.com.

That’s it—your ZTE X671 modem or router is now unlocked and ready for use.

If you have any questions, please contact us before placing your order. We’re happy to help.