iPhone 12 Pro Camera App locks up above 9000 feet elevation

Hi kdeemer,

You can view details for techincal specifications for your iPhone below and here: iPhone 12 Pro - Technical Specifications

"Environmental Requirements  

• Operating ambient temperature: 32° to 95° F (0° to 35° C)
• Non-operating temperature: −4° to 113° F (−20° to 45° C)
• Relative humidity: 5% to 95% noncondensing
• Operating altitude: tested up to 10,000 feet (3000 m)"

If you plan on being in that environment again and the issue continues, test the steps below found in this article: If the camera or flash on your iPhone, iPad, or iPod touch isn't working - Apple Support

"Remove case, accessory, or film and test

1. Remove any case, accessory, or film that might block the camera or flash or that places a magnet near the camera.
2. Test the camera by trying to take a photo.
3. Test the LED flash:
   1. Try the flashlight in Control Center on your iPhone or Control Center on your iPad. On an iPhone X or later or an iPad, swipe down from the upper-right corner of the screen. On an iPhone 8 or earlier, swipe up from the bottom edge of any screen.
   2. Tap the Flashlight button ."

Reach out to Apple Support directly if you need further assistance.

Contact - Official Apple Support

Contact Apple for support and service - Apple Support

Best.