The phrase refers to problems encountered when the forthcoming Apple operating system, iOS 18, is used on the iPhone 13 model. These problems can manifest as software bugs, performance degradation, or feature incompatibilities. For example, users might experience unexpected app crashes, reduced battery life, or the inability to use certain functionalities after upgrading.
Understanding the potential for such difficulties is crucial for several reasons. It allows users to make informed decisions about whether to immediately update to the latest iOS version or wait for subsequent patches that address initial problems. Knowledge about common difficulties also enables troubleshooting and proactive management of device performance. Historically, major iOS releases have often presented initial challenges across different iPhone models, necessitating iterative updates to ensure stability and optimize performance.