Unable to upgrade rooted 4.2.2 with OTA update 4.3
69471
Install 4.3 (OTA) on rooted Nexus 4 (CWM + stock rom, kernel)
135383
Unable to update my system Ubuntu13.04: Getting message - requires installation of untrusted packages
65099
Unable to install any updates through update manager/apt-get upgrade
16837
Unable to upgrade from 14.04 to 14.10 "Cannot Calculate Upgrades"
46720
sudo apt update error: "Release file is not yet valid"
56150
Can't upgrade/update ubuntu 18.04 as apt/dpkg error is showing up
120161
Ubuntu 19.04 problems install upgrades
149984
Can't update or install anything. Ubuntu 3.11.0.14
149044
Can I downgrade to an earlier version of Android after installing an OTA update?
30754
Cannot update: "No available releases found"
63176
How can I update to Ubuntu 21.04?
44626
"android update sdk" on headless linux
133
How can I fix a 404 Error when using a PPA or updating my package lists?
109539
How can I perform an offline upgrade using Ubiquity on the installation disc?
80794
Ubuntu 18.04 stuck at upgrading linux-header
100135
What does "upgrade to 18.04" mean?
5877
"Failed to fetch" while updating