Face ID worked perfectly yesterday. Today it won’t recognize you. Maybe it says “Face ID is not available” or it keeps failing even when you’re looking straight at the phone. This is one of the most frustrating iPhone issues because Face ID is tied to everything — unlocking your phone, Apple Pay, app logins, and password autofill.
Before you assume the worst, there are several things to try. But I’m also going to be honest with you about when it’s a hardware problem — because that’s usually where this ends up.
Software fixes to try first
Clean the TrueDepth camera area. The Face ID sensors are in the notch or Dynamic Island at the top of your screen. Smudges, dirt, screen protectors covering the sensors, or even a thick case that partially blocks the top of the screen can interfere. Clean the area with a microfiber cloth and remove any screen protector or case temporarily.
Restart your iPhone. A force restart (volume up, volume down, hold side button until Apple logo) clears software glitches that can freeze the Face ID module. This fixes the problem about 15% of the time in our experience.
Reset Face ID and re-enroll. Go to Settings, then Face ID & Passcode, tap Reset Face ID, then Set Up Face ID again. Sometimes the stored face data gets corrupted and a fresh enrollment fixes it.
Check for iOS updates. Apple has released specific patches for Face ID bugs in the past. Make sure your phone is on the latest iOS version.
Check your Face ID settings. Go to Settings, Face ID & Passcode, and make sure all the toggles are on for the features you want (iPhone Unlock, iTunes & App Store, Apple Pay, Password AutoFill).
When it’s a hardware problem
If none of the software fixes work, Face ID failure is almost always hardware — specifically related to the screen assembly or the TrueDepth camera system. Here’s why:
The Face ID sensors are integrated into the screen assembly on most modern iPhones. The TrueDepth camera, infrared sensor, dot projector, and flood illuminator all work together and are physically connected to the display. If any one of them fails or gets disconnected, Face ID stops working entirely.
The most common hardware causes we see are screen damage from a drop (even without visible cracks, the internal Face ID components can be disrupted), a previous screen repair done with a non-original screen that doesn’t include the TrueDepth sensor housing, water damage affecting the sensor connections, and natural wear on the flex cable connecting the Face ID module to the logic board.
Why Face ID failure usually means a screen replacement
Here’s the part most people don’t expect: fixing Face ID usually requires replacing the entire screen assembly, not just the Face ID sensors themselves. That’s because Apple designed the TrueDepth camera system as an integrated part of the display — you can’t just swap out the Face ID module independently.
This is also why cheap screen repairs can break Face ID. If a shop uses a low-quality replacement screen that doesn’t properly transfer or include the Face ID sensor housing, Face ID will fail permanently. At Indiana Phones, we use high-quality screens that maintain Face ID functionality — because a working screen without Face ID is only half a repair.
What about “Face ID reprogramming”?
Some shops advertise Face ID “reprogramming” or “recalibration” as a separate service. Be cautious. Apple pairs the Face ID module to the logic board at the factory. True Face ID repair on newer models requires either transferring the original Face ID module to the new screen (which requires micro-soldering skill and the right equipment) or using Apple’s proprietary calibration tools.
At Indiana Phones, we have the expertise to handle Face ID-compatible screen replacements properly. We’ll tell you upfront whether Face ID can be preserved during your screen replacement.
Get Face ID working again
If your Face ID has stopped working and the software fixes above didn’t help, bring your phone in for a free diagnostic. We’ll determine whether it’s a sensor issue, a screen issue, or something else, and give you an honest assessment of what it’ll take to fix.
Indiana Phones, 1630 Grand Ave, Pacific Beach, San Diego. Founded by Air Force veteran Nicholas. Call (619) 577-3065 or walk in — no appointment needed.
Frequently asked questions
Why did my Face ID suddenly stop working?
The most common causes are a software glitch (fixed by restarting or resetting Face ID), dirt or a screen protector blocking the sensors, or hardware damage to the TrueDepth camera system from a drop, water exposure, or previous repair.
Can Face ID be fixed without replacing the screen?
Sometimes — if the issue is software or a dirty sensor, yes. But if the Face ID hardware has failed, it’s typically integrated into the screen assembly and requires a screen replacement with proper Face ID module transfer.
Does screen repair break Face ID?
It can if the repair shop uses a cheap screen that doesn’t include proper Face ID sensor housing, or if they damage the Face ID flex cable during the repair. At Indiana Phones, we use quality screens and handle the Face ID module carefully to maintain functionality.
How much does it cost to fix Face ID on an iPhone?
Since Face ID repair usually involves a screen replacement, the cost is the same as a screen repair for your model. Call Indiana Phones at (619) 577-3065 for current pricing on your specific iPhone.
