Upgrade to an unsigned version of iOS - possible or not?
5405
Can I install any iOS version I wish by picking and choosing which firmware to restore?
128793
Can I have multiple Xcode versions installed?
109539
How can I perform an offline upgrade using Ubiquity on the installation disc?
36703
How do I upgrade from 12.10 to 13.04?
22439
Updating iPhone with Jailbreak?
72152
Upgrading 16.04 to 16.04.1
128471
How do I update from 9.0.10 to 9.1.0?
4660
Should I be offered the option to upgrade to 18.04.1?
11556
Can I smoothly upgrade from one LTS to next LTS release?
138715
How to specify iOS hardware support?
43778
Is it possible to "upgrade" from a 32bit to a 64bit installation?
113505
How can I update my 3rd generation iPod touch from iOS 5.1.1 iOS 6.0
211
Can I skip over releases when upgrading?
59088
How to upgrade to a newer release of Ubuntu using the Live CD?
71532
How To Make iPhone App compatible with multiple SDK (firmware) versions
49889
Will there be data loss if I upgrade?
96793
Does an iOS virtual machine exist for Windows?