F5 Big-IP upgrade

Amr_Ali Typically if you follow the recommended upgrade paths located at the following URL you should be okay. I would make sure you run an backup before hand and copy it off to a backup server or your local machine if by chance something goes wrong you have a configuration to compare it to. Also, make sure your service check date is valid for the version that you are upgrading to.

https://my.f5.com/manage/s/article/K13845

You also want to double-check if your hardware fully supports the software version you're about to install:
https://my.f5.com/manage/s/article/K9476

And if this is a vCMP cluster, check if your hypervisor will support current/future Guest releases

https://my.f5.com/manage/s/article/K14088