Apple is back with another major update to its iPhones, and it's a release you shouldn't ignore. iOS 18.3—which replaces iOS 18.2 —comes loaded with some smart new upgrades along with crucial security and bug fixes that will ensure your device stays safe and free from unwanted cyber attacks. Once installed, it also switches and enables Apple Intelligence by default for those who have compatible iPhones. Although you can still switch this smart upgrade off in the settings, it's now automatically