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

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.

Apple has halted the distribution of iPadOS 18 to models of the iPad Pro equipped with the M4 chip, after users reported the update was bricking their tablets.

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 has pulled iPadOS 18 for the M4 iPad Pro after dozens of users began reporting that the update was bricking their tablets.

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 told Engadget.