Cannot update to Lollipop version in moto G(2nd Generation)
11719
When will my device get the Android 5.0 update (Lollipop)?
85807
When will my device get the Android 4.1 update (Jelly Bean)?
16837
Unable to upgrade from 14.04 to 14.10 "Cannot Calculate Upgrades"
140771
Can't update Developer Tools on Mojave
84271
When will my device get the Android 4.0 update (Ice Cream Sandwich)?
107080
How do I install Google Play store?
100676
Are Android OS updates region specific?
12578
How do I upgrade to a newer version of Ubuntu?
22440
When will my phone get the Android 2.3 update (Gingerbread)?
43272
Can't update iPhone to a specific version : "iphone could not be restored device isn't eligible for the requested build"
1520
How to install software or upgrade from an old unsupported release?
85943
Can't update or install apps on Ubuntu Touch
72031
Can every Android device be updated to the most recent Android version?
150880
Update from iOS 6 to 7, but not to iOS 8?
128055
Nexus 7 2012 is almost unusable after upgrading to the latest Lollipop. What should I do?
149044
Can I downgrade to an earlier version of Android after installing an OTA update?
107792
Update information outdated, "Failed to fetch cdrom"