Clear Storage Space Regularly : Remove unused apps, large files, and possibly even old photos to free up the space you need
Turn Off Background App Refresh : Disabling Background App Refresh stops the apps from consuming resources under Settings > General
Reduce Motion Effects : Reduce the animations in Settings > Accessibility > Motion to make the iPhone feel faster while opening apps
Keep iOS software up to date : Permanently be up to date on the latest version of iOS to benefit from performance enhancements, bug fixes, and a more stable system
Turn Off Automatic Downloads : If the automatic download for apps, music, and updates is turned on, to conserves battery life
Restart Your iPhone Weekly : Restarting your iPhone once a week will erase RAM and refresh the system processes, which helps improve performance
Clear Safari Cache and History : Go to Settings > Safari > Clear History and Website Data to clear clutter and enhance Safari's performance
Enable Low Power Mode When Needed : Enable Low Power Mode to limit background processes and preserve battery life
Reset Settings for a Fresh Start : Reset all settings within Settings > General to eliminate lag, without deleting personal data