Why are the photos taken with the Xiaomi 15 Ultra lower in brightness when viewed in third-party apps?

Thank you for your support of Xiaomi products. The Xiaomi 15 Ultra has undergone strict professional inspection before leaving the factory, so you can use it with confidence.
For your reference, here are more details about brightness decreasing:
1. Xiaomi Gallery supports ultra-dynamic display. With Xiaomi Camera, it can bring you a more realistic visual experience;
2. Xiaomi Gallery and some third-party apps use different color spaces when processing and displaying images. Xiaomi Gallery will optimize based on the color profile of your device to display more vivid, accurate colors and brightness;
3. Xiaomi Gallery focuses more on the presentation of original images and maintains the original brightness of the images. Third-party apps will perform additional dynamic range compression or contrast adjustment on the images.