AT&T Pushes March Security Update For ZTE Maven Z812

ZTE Maven Z812

AT&T has rolled out March security update for ZTE Maven (ZTE Z812) smartphone via their servers. With build number Z812V1.0.0B24, the update includes security patch level as of March 1. However, the US-based mobile carrier has released the update on March 21 with baseband and Kernel versions as Z812H01 and 3.10.49 respectively.

To install the latest March security update, you need to install Z812V1.0.0B23, which is the previous version. You can install the update easily since the size of the update file is only 18MB. If you install the update, your smartphone will be protected against latest threats.

In addition to security related updates, the March security update also includes not only performance but also stability related improvements including bug fixes. However, the AT&T support page reveals “Android device security updates” in the “What’s new” section.

Under the hood, the ZTE Maven Z812 features a 4.5-inch display, Snapdragon 410 processor, 1GB RAM, 8GB internal storage, 5MP camera sensor, 0.3MP front-facing snapper powered by a 2100mAh battery. As you can see, the specifications are not at par with the latest technological standards.

AT&T has pushed the update via OTA. Hence, it will take few days for it to reflect on your handset. If you are eligible, you will view a message notification. If you are unable to via a message, you can manually verify the presence of the update by tapping Applications | Settings | AT&T Software Update | Check for Update option.

As usual, you need to make sure that your handset has been charged up to 50 percent. Considering the small size of the update, the half charge is very much sufficient. Moreover, you should capture a backup of all your important photos and videos from the device.

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To install the March security update, you can make use of the mobile data connectivity. However, we would suggest you install the update via Wi-Fi for trouble-free download process. Meanwhile, AT&T also recommends that you should make use of Wi-Fi for the installation of the update.

Anand Narayanaswamy is the editor-in-chief of Netans. He was recognized as a Microsoft Most Valuable Professional (MVP) for 9 years (2002 to 2011) and again as a Microsoft MVP in Surface under Windows and Devices in January 2024. He worked as a Chief Technical Editor with ASPAlliance and was part of ASPInsider program. Anand has published several articles and reviews related to various software and hardware products for various software and technology related websites. He is also active on social media and also participates as an Influencer for various brands. Anand can be reached at