Often with the Bigip-VEs, installing an image or hotfix via the GUI will be impossible because the volume drop-down menu is empty:
First verify the name of the image that’s been uploaded. It should be in /shared/images
(tmos)# bash # ls -l /shared/images/*.iso -rw-r--r--. 1 tomcat tomcat 2096115712 2020-03-11 09:56 /shared/images/BIGIP-13.1.1.4-0.0.4.iso
Then install the image via tmsh with the create-volume option:
# tmsh (tmos)# install sys software image BIGIP-13.1.1.4-0.0.4.iso volume HD1.2 create-volume (tmos)# show sys software status ---------------------------------------------------------------- Sys::Software Status Volume Product Version Build Active Status ---------------------------------------------------------------- HD1.1 BIG-IP 13.1.0.8 0.0.1 yes complete HD1.2 BIG-IP 13.1.1.4 0.0.4 no installing 10.000 pct
At this point you can go back to GUI, watch the installation complete, and boot to that volume.