Android 5.1

About This Update
This update, is known on this Wiki as a Minor update. Meaning the update contains little improvements/changes to the OS.

Software Information
This update contains the following features:
 * Ability to join Wi-Fi networks and control paired Bluetooth devices from quick settings
 * Official support for multiple SIM cards
 * Device protection: if a device is lost or stolen, it will remain locked until the owner signs into their Google account, even if the device is factory reset
 * High-definition voice calls, available between compatible devices running Android 5.1
 * Improvements to the notification priority system, to more closely replicate the silent mode that was removed in Android 5.0.

Credits and sources
The software information and links are credited to and belong to Google, Inc., and Android, Inc. www.google.com www.android.com

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