When will my device get the Android 5.1 update (Lollipop)? Android 5.1 (Lollipop) was officially announced on March 9th, 2015.

You can review the high-level changes at the announcement on the official Android blog.

Of course, not all devices will get this update right away and others won't get it at all. Each manufacturer and carrier often choose to add their custom modifications which tend to delay the official release.

When will each device get Android 5.1, either officially or unofficially, if ever?

See also:


When will my device get the Android 5.0 update (Lollipop)?
When will my device get the Android 6.0 update (Marshmallow)?
This community wiki will list all of the known and rumored dates for devices. If you have an update make sure to follow the format that's been established, and the following guidelines:


Keep devices in alphabetical order listing the manufacturer and model
Specify if the date is confirmed or rumored and link to the source
If there is an unofficial release, link to the site where it can be downloaded


Phones

HTC


One M9: 2015-07 (confirmed)


LG


Nexus 4: 2015-03-09 (official)
Nexus 5: 2015-03-09 (official)


Motorola


DROID Turbo: 2015-07-01 (confirmed)
Nexus 6: 2015-03-09 (official)


OnePlus

Samsung


Galaxy S II: unofficial (Cyanogenmod)  (via | Cyanogenmod Download)


Sony

Tablets

Asus


Nexus 7 (2012 &amp; 2013): 2015-03-09 (official)


HTC


Nexus 6: 2015-03-09 (official)


LG

Motorola


Xoom: unofficial (OmniROM) (via | Official XDA thread)


Nvidia


Shield Tablet (WiFi and LTE): 2015-05-22 (Android Police)


Samsung


Nexus 10: 2015-03-09 (official)


Sony

Other