Google finally announced the Android 5.1 Lollipop in a company’s blog post!
Of course this update brings changes. Some of them include stability and performance improvements, native support for multiple SIM cards, HD voice on compatible phones and, most notably, Device Protection.
With the new Device Protection feature, if your Android device becomes lost or stolen, it will stay locked until you enter in your Google account.
The HD voice on compatible devices, let Android 5.1 devices take advantage of the clear high-definition voice calls that certain carriers like T-Mobile and Verizon offer. Android 5.1 will also let you join Wifi networks and paired Bluetooth devices directly from your quick settings page.
According to a few newly updated T-Mobile documents, Android 5.1 is supposed to rollout to the Nexus 4, 5 and 7 starting today. Wewill keep you updated on this!