After receiving the March security update, ZTE Maven is now graced by the June security patch. The new update raises the build number from Z812V1.0.0B24 to Z812V1.0.0B25.
Apparently, ZTE is sending security updates to Maven after every three months, so expect the next update to hit your device in September.
The update, as usual, is based on Android 5.1 Lollipop and measures 20MB. Since the device is a budget friendly phone, launched back in 2015, we don’t think it will be updated to Android Marshmallow.
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As is the case with any security patch, the update takes care of various security vulnerabilities and brings along fixes to existing bugs. You can also expect performance and stability improvements from the update.
It is advisable to connect to a good Wi-Fi network before downloading the update and keep your handset charged as high as 50 percent while installing the update.
If you haven’t received the update yet, you can check for it manually via the device settings. Go to Settings – About – Software updates.
Source: AT&T