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The app is freezing or unresponsiveUpdated 11 days ago

Quick Fix

Force close the CENTR app and restart it. This clears the app's memory and resolves most freezing issues.

Force Close the App

For iPhone (iOS)

  1. Swipe up from the bottom of your screen (or double-click Home button on older iPhones)
  2. Find the CENTR app in your open apps
  3. Swipe the CENTR app up and off the screen
  4. Wait 10 seconds
  5. Open CENTR again from your home screen

For Android

  1. Go to Settings on your device
  2. Tap "Apps" or "Applications"
  3. Find and tap "CENTR"
  4. Tap "Force Stop"
  5. Confirm by tapping "OK"
  6. Wait 10 seconds
  7. Open CENTR again

If App Still Freezes

Try these performance optimization steps in order.

Solution 2: Close Background Apps

Other apps running in the background can use memory and cause freezing.

iPhone:

  1. Swipe up from the bottom and pause in the middle of the screen
  2. You'll see all open apps
  3. Swipe up on each app to close them
  4. Open only CENTR

Android:

  1. Tap the Recent Apps button (square icon or swipe up and hold)
  2. Swipe away all apps except CENTR
  3. Or tap "Close All" if available

Solution 3: Check Device Storage

Low storage space causes apps to freeze and run slowly.

iPhone:

  1. Go to Settings
  2. Tap "General"
  3. Tap "iPhone Storage"
  4. Check available space - you need at least 500MB free
  5. Delete unused apps, photos, or videos if space is low

Android:

  1. Go to Settings
  2. Tap "Storage"
  3. Check available space - you need at least 500MB free
  4. Tap "Free up space" to clear cached files
  5. Delete unused apps, photos, or videos if space is low

Solution 4: Restart Your Device

Restarting clears memory and stops all background processes.

  1. Power off your device completely
  2. Wait 10 seconds
  3. Power back on
  4. Open only the CENTR app (don't open other apps first)

Solution 5: Update the App

Freezing bugs are often fixed in newer app versions.

iPhone:

  1. Open the App Store
  2. Tap your profile icon
  3. Scroll down to see pending updates
  4. If CENTR has an update, tap "Update"

Android:

  1. Open Google Play Store
  2. Tap your profile icon
  3. Select "Manage apps & device"
  4. Update CENTR if available

Solution 6: Clear App Cache (Android Only)

Clearing cache removes temporary files that may cause freezing.

  1. Go to Settings
  2. Tap "Apps" or "Applications"
  3. Find and tap "CENTR"
  4. Tap "Storage"
  5. Tap "Clear Cache" (NOT "Clear Data")
  6. Open CENTR again

Note: iOS doesn't have a cache clearing option. Skip to Solution 7 if you're on iPhone.

Solution 7: Delete and Reinstall

Important: Your data is saved in the cloud. You won't lose your workout history, progress, or subscription.

iPhone:

  1. Press and hold the CENTR app icon
  2. Tap "Remove App" and confirm
  3. Restart your iPhone
  4. Reinstall from the App Store
  5. Log in with your credentials

Android:

  1. Go to Settings > Apps > CENTR
  2. Tap "Uninstall" and confirm
  3. Restart your device
  4. Reinstall from Google Play Store
  5. Log in with your credentials

Common Causes of Freezing

  • Low device memory: Too many apps running. Close all other apps
  • Low storage space: Need 500MB+ free. Delete unused content
  • Outdated app version: Update to latest version
  • Outdated device software: Update iOS or Android to latest version
  • Slow internet: Poor connection can cause app to freeze while loading. Switch to WiFi

Update Your Device Software

Outdated operating systems can cause compatibility issues.

iPhone:

  1. Go to Settings > General > Software Update
  2. If an update is available, tap "Download and Install"
  3. Follow the prompts to complete the update

Android:

  1. Go to Settings > System > System Update (may vary by device)
  2. Tap "Check for updates"
  3. Install any available updates

Still Freezing?

If the app continues to freeze after trying all steps, contact our support team at [email protected] with:

  • Device model and brand (e.g., iPhone 15 Pro, Samsung Galaxy S24)
  • Operating system version (e.g., iOS 18.7.1, Android 16)
  • CENTR app version (found in app Settings or About section)
  • How much storage space you have available
  • What you're doing when the app freezes (watching video, browsing workouts, etc.)
  • How often it freezes (every time, occasionally, during specific activities)
  • Screenshot or screen recording if possible

We'll investigate and get back to you within 24-48 hours with a solution.

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