iPhone 7 Plus Freezing or Lagging After iOS Update? Here’s How to Fix It

Is your iPhone 7 Plus suddenly freezing, stuttering, or running frustratingly slow after an iOS update? You’re not alone. Even with its solid hardware, the iPhone 7 Plus can run into performance issues—especially when buggy updates, misconfigured settings, or low storage space are involved.

Here’s a full guide to help you fix lag, freezes, and performance drops on your iPhone 7 Plus.

1. Close Background Apps and Reboot Your iPhone

Apps left running in the background can sometimes crash or interfere with system performance.

To close apps:

Double-press the Home button to open the App Switcher.
Swipe up on each app preview to force close it.

To reboot:

Hold the Power button until “slide to power off” appears.
Slide to turn off, wait 30 seconds, then power it back on.

If the phone is frozen:

Hold Power + Volume Down for about 10–20 seconds until the Apple logo appears.

2. Install App Updates

Outdated apps can clash with newer iOS versions, causing slowdowns or crashes.

To update all apps:

Open the App Store.
Tap the Updates tab.
Tap Update All or update individual apps.

Restart your phone afterward to apply the changes.

3. Reset All Settings

If the system settings were affected during the update, resetting them can help.

Here’s how:

Go to Settings > General > Reset.
Tap Reset All Settings.
Enter your passcode, then confirm.

This will reset Wi-Fi, sound, display, and other system settings without deleting your data.

4. Free Up Storage Space

Low storage can cause performance issues, even on devices with higher capacities.

To check and manage storage:

Go to Settings > General > iPhone Storage.
Review what’s taking up space.
Delete large or unused apps, old photos/videos, and unnecessary messages.

Aim to have at least 1–2 GB of free space for smoother performance.

5. Factory Reset Your iPhone (Last Resort)

If none of the above fixes help, a clean factory reset can eliminate deeper system bugs.

⚠️ This will erase everything. Back up your data first.

To reset:

Go to Settings > General > Reset > Erase All Content and Settings.
Enter your passcode and confirm.
After the reset, set up your phone as new (don’t restore from backup immediately—test performance first).

Still Freezing or Lagging?

If your iPhone 7 Plus is still acting up after all these steps:

Contact Apple Support to report the post-update issue.
Visit an Apple Store or service center to check for hardware issues, especially if there’s a chance of physical or water damage.