iPhone Always-On Display Not Working - Complete Fix Guide
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The Always-On Display (AOD) keeps your lock screen visible with dimmed brightness, showing time, widgets, and notifications. Available on iPhone 14 Pro and later, it's powered by the ProMotion display. If yours isn't working, here's how to fix it.
🛠️ Tools You'll Need
- Pentalobe P2 Screwdriver
- Tri-Point Y000 Screwdriver
- Phillips #000 Screwdriver
- Suction Cup
- Plastic Opening Picks (3+)
- Plastic Spudger
- Heat Gun or Hair Dryer
- Replacement Screen Assembly
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📋 Difficulty & Time
🔧 Replace the Screen: Step by Step
Step 1: Power Off & Prepare Workspace
Power the iPhone off completely. Set up a clean, well-lit workspace on a non-static surface (a microfiber cloth on a desk works). Have screw organizers ready.
Step 2: Remove Bottom Pentalobe Screws
Two pentalobe P2 screws at the bottom edge, one on each side of the Lightning/USB-C port. Keep these in a labeled section — they're essential for water resistance.
Step 3: Apply Heat Around the Screen Edges
Use a heat gun (low setting) or hair dryer to warm the perimeter for 1–2 minutes per side. The display adhesive is strong — heat softens it.
Step 4: Create Initial Gap with Suction Cup
Apply suction cup to the bottom-center of the screen. Pull upward steadily while pressing down on the aluminum frame. Listen for the adhesive to release.
Step 5: Insert Picks — Bottom and LEFT Side Only
Slide thin plastic picks into the gap. Work along the bottom and LEFT side. The RIGHT side has display ribbon cables — DO NOT pry there or you'll damage them.
Step 6: Lift Screen Like a Book
Open the screen upward at 90°. The ribbon cables are still attached — do not pull harder.
Step 7: Disconnect the Battery FIRST
Remove the bracket over the battery connector (2–3 tri-point Y000 screws), then gently lift the connector with a spudger. This prevents short-circuits when you disconnect the screen.
Step 8: Disconnect the Display Ribbon Cables
Remove the bracket over the display connectors at the top. Carefully lift each ribbon cable with a plastic spudger. Note the order — there are usually 3 (front sensors, OLED panel, digitizer).
Step 9: Transfer Components from Old Screen
Front camera assembly, earpiece speaker, and (on Face ID phones) the True Depth camera have to move from the old screen to the new one. Failing to transfer the original IC chip = Face ID stops working forever.
Step 10: Install New Screen + Reconnect
Reverse: connect display ribbons → bracket → battery connector → bracket. Test BEFORE sealing — boot the device and verify touch + display work.
Step 11: Apply New Adhesive + Seal
Most replacement kits include adhesive strips. Apply along the perimeter, then close the screen by aligning the top hinge edge first, then pressing the bottom shut. Re-install pentalobe screws.
⚠️ Common Mistakes to Avoid
- Prying on the right side and tearing display ribbon cables (you've broken the new screen)
- Forgetting to disconnect the battery first (short-circuits the logic board)
- Not transferring the True Depth camera (kills Face ID permanently)
- Using too much heat (warps the OLED at temps over 150°F)
- Sealing without testing (have to redo everything if something doesn't work)
🏥 When to Call a Pro
If you damage a ribbon cable, snap a screw, or the new screen has dead pixels: stop. Apple charges $129–$429 depending on model. Third-party shops typically charge $179–$279 with a 90-day warranty. Mail-in services are available at iphoneipadfix.com/mail-in-repair.html.
📋 Supported iPhones
Always-On Display is ONLY available on:
- iPhone 14 Pro / Pro Max
- iPhone 15 Pro / Pro Max
- iPhone 16 Pro / Pro Max
Standard iPhone models (non-Pro) do NOT have Always-On Display, even with iOS 17+.
- Open Settings
- Tap Display & Brightness
- Scroll to Always On Display
- Toggle it ON
Customize What Shows
- Show Wallpaper: Display your wallpaper dimmed (uses more battery)
- Show Notifications: Show notification previews on AOD
Always-On Display automatically turns off in these situations:
- iPhone face down: Sensors detect it's not visible
- iPhone in pocket/bag: Proximity sensor triggers
- Sleep Focus active: AOD turns off during Sleep mode
- Low Power Mode: Automatically disables AOD
- Connected Apple Watch: AOD turns off when you walk away (Continuity)
- CarPlay connected: AOD disabled while driving
These are intentional battery-saving features, not bugs.
1. Check Low Power Mode
Low Power Mode disables Always-On Display:
- Settings → Battery
- Turn OFF Low Power Mode
- Or ask Siri: "Turn off Low Power Mode"
2. Check Sleep Focus
Sleep Focus turns off AOD automatically:
- Open Control Center (swipe down from top-right)
- Check if Sleep Focus is active
- Tap to disable if needed
3. Apple Watch Continuity
If you wear an Apple Watch, AOD turns off when you walk away:
- This is normal — iPhone detects you're not near
- AOD will return when you come back
- To disable: Settings → Display & Brightness → Always On Display settings
4. Restart Your iPhone
- Press and hold Side Button + Volume Up
- Slide to power off
- Wait 30 seconds
- Press Side Button to turn back on
5. Update iOS
- Settings → General → Software Update
- Install any available updates
- Ambient light: AOD adjusts to room brightness — darker rooms = dimmer display
- Red tint at night: Night mode uses red hues to preserve night vision
- Check Auto-Brightness: Settings → Accessibility → Display & Text Size → Auto-Brightness
Always-On Display uses about 1% battery per hour extra. If battery life is a concern:
- Disable "Show Wallpaper" to save power
- Keep notifications minimal on lock screen
- Consider turning AOD off if battery is critical
If AOD still doesn't work:
- Settings → General → Transfer or Reset iPhone
- Tap "Reset" → "Reset All Settings"
- Enter passcode
- Re-enable Always-On Display after reset
Note: This resets preferences but keeps your data.
If AOD never works and settings are correct, there may be a hardware problem:
- ProMotion display malfunction
- Ambient light sensor issues
- Proximity sensor problems
These require professional diagnosis.
📞 Need Professional Help?
If your Always-On Display won't work after trying all software fixes, hardware diagnosis may be needed:
PC Medics of New Jersey
Professional iPhone Pro display diagnostics and repair.
📦 Mail-In Repair Service
Not comfortable doing this yourself? Send your device to a professional repair shop.