Have you ever noticed that photos on the Xiaomi Redmi Note 9 Pro sometimes get too dark in the shadows or overlit in the bright sun? The culprit is the camera's limited dynamic range. Here comes HDR (High Dynamic Range) technology, which literally saves shots in difficult shooting conditions. But how exactly does it work in this model, and why is it sometimes better to turn it off?
In this article, we'll look at what HDR is in the Xiaomi Redmi Note 9 Pro camera, how it affects the quality of the shots, and when it's warranted. You'll learn about the hidden settings of the mode, the nuances of working with video, and how to avoid typical shooting errors. And yes, we'll test real-world examples with and without HDR frame comparisons.
Spoiler: HDR isn't always useful. For example, when you're shooting moving objects, it can create ghost artifacts, and in some scenes it artificially inflates saturation, but about everything in order.
What is HDR and how does it work for Xiaomi Redmi Note 9 Pro
HDR (High Dynamic Range) is a technology that allows the camera to capture a wider range of brightness than is possible with conventional shooting. In the Redmi Note 9 Pro, it is implemented software: the smartphone takes a series of 3-5 frames with different exposures (from dark to light), and then glues them into a single image, preserving details in both shadows and bright areas.
The big advantage is that there are no broken white spots in the sky or black silhouettes in the background of a window, for example, if you're photographing a landscape against the sun, HDR will help preserve the texture of the clouds and work out the shadows on the ground at the same time, but it costs a fraction of a second to process, and artifacts can appear when you move in the frame.
The Redmi Note 9 Pro uses a multi-exposure HDR that works in tandem with Sonyβs 48-megapixel main sensor IMX586. Thanks to its large pixel size (0.8 ΞΌm) and Tetracell technology (combining 4 pixels into 1), the camera is better at handling noise in low light conditions, and HDR further expands the dynamic range.
- πΈ How to recognize HDR-Photo: in the Xiaomi gallery, such photos are usually marked with an icon Β«HDRΒ» top-right.
- β‘ Processing speed: on the Redmi Note 9 Pro, the βslideβ of frames takes ~0.3β0.5 seconds (depending on scene).
- π Impact on the battery: Continuous use HDR Increases the power consumption of the camera by 10-15%.
When to turn on HDR on Xiaomi Redmi Note 9 Pro: 5 perfect scenarios
HDR is not universal. In some situations, it saves a frame, in others it only spoils it. Here are 5 cases where it is definitely worth activating:
- Contrast landscapes: shooting sunsets, mountains or urban views with bright skies and dark objects in the foreground, HDR will preserve details in the clouds and in the shadows of buildings.
- Portraits versus light. If you stand with your back to the sun or the window, HDR will work your face without turning it into a silhouette.
- Architecture and interiors: In rooms with large windows (such as cathedrals or museums), HDR will help to avoid glazing.
- Night photography with manual tuning. In Pro mode, HDR can be combined with long exposure for more detailed night shots.
- If you have a TV, a monitor or a smartphone in the frame, HDR will reduce the illumination from the display.
Hereβs where HDR is best to turn off:
- π Moving objects (children, animals, sports) β possible βghostβ contours.
- π Shooting in total darkness β HDR Makes noise, it is better to use the night mode.
- π¨ Creative shots with high contrast (for example, silhouettes against the background of sunset).
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If youβre shooting video, the HDR in the Redmi Note 9 Pro only works at 1080p@30fps. In 4K or 60 FPS, it shuts down automatically.
How to turn on, disable or configure HDR on Redmi Note 9 Pro
By default, the Redmi Note 9 Pro HDR works in Auto mode, but it can be switched manually.
- Open the Camera app.
- Touch the icons βοΈ (Settings) in upper right corner.
- Select HDR.
- Set one of the values: Auto-camera decides when to use HDR. On. - HDR works always (may slow down shooting). Off. - HDR is completely disabled.
In Professional (Pro) mode, HDR can be combined with manual exposure settings, for example, if you lower your ISO to 100 and set shutter speed to 1/1000, HDR will help keep parts in the shadows without making noise.
Set white balance in Auto or Daylight |
Turn off digital zoom (use optical only)|
Film in format JPEG (HDR not working RAW)|
Use a tripod or stable surface for serial images-->
Note: If you activate Night Mode, HDR will shut down automatically, which is not compatible with the Redmi Note 9 Pro.
β οΈ Note: When shooting in format RAW HDR If you want the rawest data from the sensor, you have to choose between dynamic range and post-processing flexibility.
HDR vs Night mode vs. AI-Whatβs better in the Redmi Note 9 Pro
Redmi Note 9 Pro has three photo enhancement technologies: HDR, Night mode and AI-They're often confused, but they solve different problems:
| Technology | When to use | Pluses | Cons |
|---|---|---|---|
| HDR | High contrast (sun, windows, sunsets) | Keeps details in shadows and lights | Artifacts while moving, slow shooting |
| Night mode. | Poor lighting (evening, rooms) | Reduces noise, bright colors | Requires a stable hand, long processing |
| AI-camera | Automatic photography (portraits, food, documents) | Optimizes settings for the stage | Sometimes overdoing it with saturation. |
Which regime to choose?
- π Daylight with contrast β HDR.
- π Evening or night β Night mode.
- π€ Portraits or food β AI-camera.
- π₯ Video β HDR only 1080p@30fps.
How to turn off AI-camera, if it interferes
Typical HDR Issues on Redmi Note 9 Pro and How to Solve Them
Even on top-end smartphones, HDR is not perfect. In the Redmi Note 9 Pro, users often face these problems:
- Ghostly contours on moving objects. Solution: Turn off HDR or use Sport mode for quick shooting.
- Green or purple in bright areas (such as the sky) Solution: Reset your camera settings to factory settings or upgrade your MIUI firmware.
- Slow-motion (delay between frames) Solution: Switch HDR to Auto mode or turn it off completely.
- Artificial color saturation. Solution: Manually reduce saturation in Settings β Color profile.
β οΈ Note: If after the update MIUI HDR Stopped working, try clearing the camera cache: go to Settings β Annexes β Camera. β Warehouse β Clear the cache.
Another common complaint is that HDR doesn't save a photo, and this happens if:
- The space on the device has run out (check in Settings β Storage).
- RAW+JPEG (HDR incompatible with RAW) mode is activated.
- The Gallery app crashes (try opening the photo through the file manager).
Compare photos with HDR and without: real examples
To see the difference, take a look at the comparison shots taken on the Redmi Note 9 Pro:
Scene 1: Landscape against the Sun
- Without HDR: The sky is overlit ("broken"), the earth is dark, details in the grass are lost.
- With HDR: Clouds are worked out, grass is visible, but a slight purple hue appears on the horizon.
Scene 2: Portrait in the Shadows
- No HDR: Face in the shadows, background overshadowed.
- With HDR: The skin is natural color, the background retains detail, but there is a noise in the hair.
Scene 3: Night Street
- No HDR: The lights are broken, the shadows are completely black.
- With HDR: The lights are restrained, but artifacts have appeared on moving cars.
Bottom line: HDR doesn't always improve a photo, but it does save a frame 70 percent of the time from losing detail.
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The HDR in the Redmi Note 9 Pro is best in high contrast static scenes, and should be turned off for dynamic subjects or creative photography.