Despite the lack of a media event, Google has released Android 5.1 today. The new Android build was spotted on the Android One website in Indonesia where it is listed multiple times. On the site there are listings for a trio of low spec'd Android One models from Nexian, Mito, and Evercoss. All three show Android 5.1 as being pre-installed. In addition, photos of the About phone page on the Evercoss One X clearly shows Android 5.1 powering the device.
Back in December, we told you that Android 5.1 could be released in February and would add back the silent mode that was removed with Android 5.0. Other changes supposedly include: "General improvements in system stability, Improved RAM management, Fixes for sudden app closures, Improved battery management, Excessive consumption of network devices when used Wi-Fi fixed, Issues with wireless connections fixed, Problems with Okay Google function solved, Notifications problems solved, Some sound problems experienced by certain devices fixed and Other improvements and changes."
So far, Google has yet to post an official changelist with all of the goodies coming with the new Android build. As far as we can tell, Android 5.1 will continue to use the Lollipop name the same way that Google kept the Jelly Bean (Android 4.1, 4.2, 4.3) and Eclair (Android 2.0, 2,1) names through similar updates.
This story is breaking, so we invite you to check in throughout the day to see the latest update on Android 5.1.
source: AndroidOne via AndroidPolice, Forbes