Today Google rolls out its first major upgrade of Android 5.0 Lollipop with version 5.1 and among other features it will have support for Anti Theft, HD Voice and Bug Fixes. As expected it will start with the latest Nexus devices, Motorola’s Nexus 6 and HTC’s Nexus 9. On the change log we also have support for multiple SIM cards, stability and performance improvements.
Support for multiple SIM is a very welcome feature especially now that Google has the Android One project for developing nations. Google is also introducing its answer to Apple’s Activation Lock. This is basically the same anti-theft idea applied to Android. This will render a stolen phone useless to whoever took it. According to Google’s blog, “With Device Protection, your lost or stolen device will remain locked until you sign in with your Google account – even if someone resets your device to factory settings.”
Source: Android Blog