Have you updated your M4 iPad Pro to the latest software? If not, you can’t now, while Apple sorts out a problem.

Some people on Reddit claim Apple needed to fully replace their M4 iPad Pros after iPadOS 18 failed to install.

Apple stopped signing the iPadOS 18 update for the M4 iPad Pro models, which means the new software is no longer available to be downloaded

According to reports on Reddit and Apple's official Community portal, iPadOS 18 is "bricking" select M4 iPad Pro devices (bricking is slang for rendering the device completely use

The company told CNET the issue is affecting iPad Pro models with Apple's newer M4 processor. "We have temporarily removed the iPadOS 18 update for M4 iPad Pro models as we work to resolve an issue that is impacting a small number of devices," Apple said in a statement.

Apple today began selling certified refurbished 2022 iPad Pro and iPad Air models through its online store in the U.S. for the first time.