An important note:

The information contained herein is provided for information purposes only and is intended only to describe Motorola Mobility’s current plans regarding potential security updates on its Android-powered devices. The information communicated is not a commitment or an obligation of Motorola Mobility.

Motorola Mobility reserves the right to change the content and timing of any software release without further notification.

The list of fixes provided by a specific version or software update of the Android operating system may vary by device.The list of products targeting each security update cycle is subject to change as the regular support period expires.Some carriers may only support different cycles of updates for the list of products listed above. Regular maintenance versions and/or OS upgrades may cause delays to release security patch updates. Despite Motorola's concern for security matters, the schedule and release of security patch updates may vary depending on the third parties, regions, products, and channels.