Apple updates iOS patch 17.2.1

"This update provides important bug fixes and is recommended for all users," Apple announced about iOS 17.2.1 on December 21.

According toNYPost, the new update is considered unusual, because iOS 17.2 was just released last week, and iOS 17.3 beta was also available to developers earlier this week. Therefore, some technology sites believe that Apple's urgent patch deployment at this time may be to deal with a serious problem.

Some of the pages found in the English version have brief descriptions written by Apple that do not mention the specific bug. However, the Japanese and Chinese versions mention "addressing an issue that causes the battery to drain quickly under certain conditions."

Since the rollout of iOS 17 in September, Apple has been releasing patches without a pre-scheduled release. According toForbesThese fall under the Rapid Security Response (RSR) category, introduced by Apple earlier this year, which essentially ensures that bug fixes can be rolled out to iPhones, iPads, and Macs as soon as possible, without having to wait for regular updates.

To update to new iOS, users can go toSettings > General > Software Updateto check and upgrade the operating system.