We all love how Apple keeps iPhones running for years, but even the best hardware eventually hits a wall. If you find yourself tethered to a charger or constantly deleting precious memories just to install a minor update, your iPhone is sending you a clear distress signal. The most definitive red flag is losing support for the latest iOS, which leaves you stranded without new features or vital security patches.

Beyond the software, pay attention to the daily friction. If apps stutter, the camera feels sluggish, or repair costs are starting to rival the price of a new device, the economics of keeping your old phone just do not add up. Ask yourself the ultimate test: if you saw your current phone for sale today, would you actually spend money on it? If the answer is no, it is time to stop the struggle and treat yourself to the smooth performance and modern capabilities of a new upgrade.