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Tue, Dec 4, 2018 5:09 AM

Problem Unlock Zte Maven 3 Z835

Good morning, greetings to all.

I received a ZTE Maven 3 (Z835) but it is blocked by the operator (AT & T) request the code through a seller on eBay and it came without problems, I have used the service of this person without problems, but in this case When I'm going to put the code on the phone I get this message "sim network unlock pin you still have 255 times to unlock the device" I enter the code but does not release the phone, it should be noted that in other opportunities does not tell me 255 attempts if not only 10. It is a problem of the phone, I read by XDA that it is a NETLOCK code not NETWORK. I would appreciate your timely help. Thank you


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Brand User

Community Support


132.9K Messages

2 years ago

Hello @jesusarvelo78, and thanks for reaching out to the AT&T community for help!


We appreciate you providing us details about the unlock code for your ZTE Z835!


To further assist with your inquiry, you can visit our Device Unlock Article to submit a unlock request and providing your mobile phone number and IMEI, as well as speak with the original owner of the phone to have them request a unlock instead.

To locate the IMEI on the ZTE device, remove the back plate and battery to view the IMEI number.


You can also visit our Device Unlock Info to check for eligibility requirements for the ZTE and to make sure that it is good standing for a unlock request.


We hope this information can help, and you have a great day!


Dwight, AT&T Community Specialist

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2 Messages

2 years ago

How do you Google unlock

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