demote, diminish.
The company's financial performance declined, leading credit agencies to downgrade its credit rating.
The antonym for upgrade is downgrade.
Here's a selection, take your pick: downgrade, relegate, move down, devalue, reduce, reduce to the ranks, lower, humble.
You cannot downgrade an iPod touch with with another iPod touch's shsh blobs because the shsh blob is unique to that device. Think of it as your DNA is unique nobody can be exactly like you.
You can not downgrade any app. You can update, but not downgrade. There is nothing that you can do. Sorry.
There is no way you can downgrade a PSP-300 or PSPgo at the moment.
You can't downgrade an IOS on your iPod Touch.
No, Pandora Batteries (the only known way to downgrade PSPs) do not work with the PSP-3000, and, as such, you can not downgrade it.
No. You must restore to Downgrade the Firmware!
You can't downgrade IOS!
You can download "Minecraft Nostalgia" to downgrade versions of minecraft
If that hurricane slows down any more, we'll have to downgrade it to a tropical storm.The professor will downgrade any research paper that is submitted after the due date.