How to reset iphone?

To reset an iPhone, open Settings, tap General > Transfer or Reset iPhone, and choose either Reset (to restore settings without wiping data) or Erase All Content and Settings (to factory wipe the device).3 Primary Ways to Reset an iPhone1.Reset All Settings (Keep Personal Data):Method 1 (System Settings Only).Go to Settings > General > Transfer or Reset iPhone > Reset, then select Reset All Settings. Enter your passcode to restore default network, display, and system settings without deleting photos or apps.2.Factory Reset (Erase All Content):Method 2 (Full Wipe).Go to Settings > General > Transfer or Reset iPhone, select Erase All Content and Settings, tap Continue, enter your passcode/Apple ID password, and confirm to completely wipe the device.3.Force Reset / Soft Reboot:Method 3 (Unresponsive Device).Press and quickly release Volume Up, press and quickly release Volume Down, then press and hold the Side button until the Apple logo appears to reboot without losing data.iPhone Reset Options ComparedReset TypeDeletes Photos & Personal Data?Resets System & Network Preferences?Best Used ForReset All SettingsNo (Photos, apps, and files remain safe)Yes (Wi-Fi, Bluetooth, layout, privacy settings)Fixing persistent software glitches or system bugsErase All Content and SettingsYes (Permanently wipes all local data)Yes (Restores factory default state)Selling, trading in, giving away, or starting freshReset Network SettingsNoYes (Only Wi-Fi, Bluetooth, cellular)Fixing connection drops, Wi-Fi errors, or signal issuesSoft/Force ResetNoNoUnfreezing frozen screens or unresponsive appsEssential Checklist Before Wiping Your iPhoneCreate an iCloud Backup: Go to Settings > [Your Name] > iCloud > iCloud Backup and tap Back Up Now.Turn Off Find My: Go to Settings > [Your Name] > Find My > Find My iPhone and toggle it Off to remove Activation Lock.Sign Out of Apple ID: Ensure your account is completely signed out if selling or trading in the device.