How to Unlock ZTE 004Z Modem?

Unlocking of ZTE 004Z is easy. The unlocked device can accept any SIM card from any network provider worldwide. It is just a matter of correct unlock code. provides the factory unlock code of ZTE, means guaranteed to work. We also provide 100% money-back guarantee, if the code does not work. Unlocking of the ZTE 004Z by code does not damage the dongle in any way.

You want to receive the correct unlock code, and we want correct 15-digits IMEI of the device. You can get the correct IMEI of the modem from its settings or through the sticker. , etc.

Note: Don’t place the order of any CDMA device. Once the order is placed, the server will provide SPC code and no refund will be provided.

Note II: Don’t place the order for any ZTE modem if it does not ask for NCK code after changing the SIM card. In such case, let me know before placing the order.

Note III: No refund will be provided if you will place the order for Trackfone USA device. It asks for SIMLock-1 which is not related to Unlock Code. Its bootloader is locked and can not be unlocked by code. No refund will be provided in such case.

How long we need to wait for a ZTE unlock code?

The approximate delivery time for a ZTE unlock code is 1 to 24 hrs.

The average response time for a ZTE unlock code is 2 hrs (based on last 100 orders).

How to Send NCK in ZTE 004Z?

1. Insert an unacceptable SIM card in ZTE 004Z.

2. Connect to PC with USB cable.

3. It will open the software or default WebPage of the device ( or or

4. Now the device should ask the NCK or Unlock Code.

5. Type the correct unlock code which is provided by

6. Click Apply/OK.

Now, you should see the network of the inserted SIM card.

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