Unlocking of ZTE Z831 Maven II is now supported. Now we can provide the factory unlock code of ZTE Z831 Maven II phone. You might already know that if a smartphone is locked to a particular network, then you can not use it with any other network provider SIM card.

Once the device is unlocked, you can use default SIM card, as well as another carrier SIM card also.

Unlocking of ZTE Z831 Maven II by code is one-time work. It does not change any firmware or software, means you will not loose the warranty. In order to receive a correct network unlock code for your ZTE Z831 Maven II, you need to mention the 15-digit IMEI number. You can find the IMEI of your phone by dialing *#06# as a phone number.

Note I: If your phone has dual-SIM, then only mention the first slot IMEI. Once code entered, both SIM slot will be released.

How long we need to wait for an unlock code of ZTE?

The approximate delivery time for an unlock code of ZTE starts from 1 hr to 24 hrs.

The average response time is 2 hrs (Based on last 100 orders).

How to Unlock ZTE Z831 Maven II with NCK?

1. Switch off the phone.

2. Change the default SIM with any another network provider and switch it On.

3. The display will prompt you to enter an unlock code.

4. Input the unlock code, which is provided by routerunlock.com.

5. Now your ZTE Z831 Maven II is unlocked forever to use with any SIM card.

Note II: Factory unlock code of ZTE Z831 Maven II is not free. While paying mention the IMEI in the transaction. Correct SIMLock Code will be emailed.

Note III: Only pay if the device is asking for unlock code as mentioned above.

Note IV: All new ZTE phones from T-Mobile USA and MetroPCS USA come locked with “Device Unlock App”. It can not be unlocked by unlock code.

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