How to set up a camera on Xiaomi Redmi 9 with NFC: full instruction with secret chips

Xiaomi Redmi 9 with a NFC — One of the most popular budget smartphones with wireless technology support NFC, But not everyone knows that this module can be integrated with the camera for easy photo transfer or even automating shooting. In this article, we'll look at not only the basic camera setup, but also the hidden features that will help make the pictures brighter and the shooting process faster.

Many people mistakenly think that NFC Redmi 9 is only for contactless payments, and in fact, it allows you to instantly transfer photos to other devices, run a camera by tag, or even set up your profiles automatically. And if you properly configure the camera itself - even a budget sensor will show itself from the best side.

We have tested all Redmi 9 modes (including the Redmi 9 modes). AI-The camera, Portrait and Night Mode, and they found the optimal parameters for different conditions — FAQ answers to the most frequent questions and life hacks that are not in the official documentation.

1. Basic camera setup on Redmi 9: What to do first

Before diving into fine-tuning, make sure the camera is working properly at the system level, and users often experience lag or poor image quality due to outdated software or incorrect resolutions.

The first thing you need to do is update the firmware. Go to Settings. → The phone. → Update the system and check the relevance of the version MIUI. Redmi 9 is a critically important version MIUI 12.5+, because it fixes bugs with autofocus and processing HDR.

Next, open the Camera app and check the following settings:

• 📸 Photo resolution: set 12 MP (4:3) for maximum quality or 9 MP (16:9) for wide frame.
• 🔄 The aspect ratio: for social networks is better 1: 1, for printing – 4:3.
• 🌙 Night mode: Turn on the car so that the camera itself determines the need for activation.
• 🎯 Grid: Activate the Rule of Thirds for the correct composition.

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If the camera is slowing down during the shooting, turn it off. AI-Scene recognition in settings – this will reduce the load on the processor and speed up the work.

Do not forget about cleaning the camera cache: go to Settings → Annexes → Camera. → Warehouse → This will help to avoid hanging, especially if you often shoot in the cache. 4K or use a panorama.

2. NFC Camera and camera: how to connect two modules for easy shooting

Few people know, but NFC-Labels can be used to automate camera launches or even toggle shooting modes. For example, you can set a tag on your desktop that, when you touch your smartphone, will open the camera in Document or Portrait mode.

This will require:

1. Buy NFC-tags (stands) ~100 rubles for 5 pcs on AliExpress).
2. Install the Trigger app or NFC Tools from Google Play.
3. Program the tag for action Open the application → Camera or Change settings → Turn on night mode.

Another useful scenario is the quick transfer of the photo to another smartphone with a NFC. For that:

1. Open the photo in the gallery.
2. Apply the back of Redmi 9 to another device with NFC.
3. Confirm the transfer via the Android Beam pop-up window (if supported).

It's important: NFC Redmi 9 only works when the screen is unlocked, this is a limitation. MIUI If the photo is not running, check if Android Beam is enabled in the settings. NFC (Settings → Connections → NFC → Additionally).

3. Optimization of photo quality: hidden settings and modes

Redmi camera 9 It has modest characteristics (main module) 13 MPP, f/2.2), But when you set it right, it can produce acceptable images, and the key is to understand the limitations and use the strengths.

Here are the key parameters that should be set up:

For low-light photography:

• 🌃 Use Night Mode with manual shutter speed (hold your smartphone still). 2-3 seconds).
• 📱 Install. ISO hand-on 800-1600 (professionally).
• 🔦 Turn on the flash only as a last resort - it often overglows.

If the photos are blurry, check:

• 🧹 Clean lens (wipe with soft cloth).
• 🎯 Distance to the object (minimum for autofocus - 5 cm).
• 🖐️ Hand stability (use a timer or external trigger button).

4. Portrait mode: how to take a photo with a blurred background (boke)

Despite the lack of a second lens for depth, the Redmi 9 can mimic the bokeh effect with software processing, which is not perfect, but it will work for social networks.

To make a quality portrait:

1. Open Portrait Mode in the Camera app.
2. Place the object at a distance 1-1.5 yard.
3. Make sure the background is contrasting (such as a wall or sky).
4. Click on the screen to focus on your face.
5. Take a picture and wait for processing (the save icon will appear via the 1-2 sack).

If the blurring effect is too aggressive or “eating” the hair/edge of the object:

• 🔄 Try changing the angle of the shooting.
• 📏 Increase the distance to the background (minimum 2 meters).
• ⚙️ Manually adjust the blur level in the gallery after shooting (click Edit) → Portrait).

Make sure there's good lighting.|Clean the lens of fingerprints|Choose a contrasting background|Shut down. HDR (may spoil the bokeh)|Remove the case if it closes the flash-->

Lifehack: For the best bokeh, take a short video in Portrait Mode, then choose the best shots. Video is processed smoother than static photos.

5. Video Shooting: Settings for Maximum Quality

Redmi 9 Supports video recording in resolution up to 1080p@30fps (on the main camera) and 720p@30fps (For a stable result, it is important to adjust the parameters correctly before shooting.

Optimal settings for video:

• 🎥 Resolution: Full HD (1920×1080) — Balance between quality and file size.
• 🔄 Stabilization: Enable Electronic Stabilization (EIS), But remember, it cuts the edges of the frame.
• 🎤 Microphone: Use an external microphone (via Type-C) as the built-in noise is very loud.
• 🌡️ White Balance: Set manually (daylight or cloudy) for natural colors.

For shooting in motion (for example, with a hand or on a bicycle):

• 🚴 Reduce the permit to 720p — This will make stabilization work better.
• 📱 Hold your smartphone horizontally (album orientation).
• 🔋 Close background apps to avoid lags.

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For shooting video in the dark, it is better to use an external light source - the built-in flash does not work in video mode, and the night mode is only available for photos.

If the video is “twitched”, try:

• 🛠️ Shut down. HDR (It adds delay to processing).
• 📡 Switch to switch to 480p — less processor load.
• 🔄 Use a tripod or improvised support (for example, a folded stack of books).

6.Redmi 9 camera problems and their solutions

Even after setting up correctly, Redmi 9 users may encounter typical problems, and here are the most common ways to fix them:

Problem 1: The camera is not focused

• 🧹 Wash the lens with a dry wipe (fat or dirt interferes with autofocus).
• 🔄 Reboot your smartphone – sometimes it helps to reset the camera module.
• 🛠️ Check if there is a flash-blocking case or sensors installed.
• 📱 Update the Camera app via Google Play.

Problem 2: Photos too dark or noisy

• 🌃 Turn on Night Mode or use an external light source.
• ⚙️ Reduce. ISO Up to 400 in Professional mode (but increase shutter speed).
• 🔋 Check whether the smartphone overheats - when overheating, the camera automatically reduces the quality.

Problem 3: NFC It doesn't work with the camera.

• 📱 Make sure that NFC included in Settings → Connections → NFC.
• 🔄 Reboot your smartphone – sometimes the module NFC "hanging".
• 🛠️ Check if there is any conflict. NFC with other wireless modules (e.g. Bluetooth or Wi-Fi Direct).

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If the camera gives an error "Can not connect", reset its settings: Settings → Annexes → Camera. → Warehouse → Clear the data. Attention: this will delete all user settings!

Problem 4: Video is being recorded with jerks

• 📵 Turn off mobile internet or Wi-Fi while shooting – background data loading can slow down the camera.
• 🔋 Battery charge should be above 20% – at low charge, the processor limits performance.
• 🗑️ Clean the camera cache (as described above).

7 Additional accessories for improving shooting

If you want to squeeze the maximum out of the Redmi 9 camera, consider buying budget accessories:

1. External lenses

• 🔍 Macro lens (magnification) 10x) — for shooting small details (price) ~300 rubles.).
• 🌄 Wide-angle lens (120)°) — landscape (~500 rubles.).
• 🌀 The fish eye lens is for creative shots (~400 rubles.).

Structures and stabilizers

• 📷 Mini-staff with flexible legs (~200 rubles.) - for shooting from unusual angles.
• 🎥 Stabilizer-cardan (~1500 rubles.) - for smooth video.
• 🧲 Magnetic anchorage (~150 rubles.) – for fixing the smartphone on metal surfaces.

Lighting

• 💡 LED-panel (~600 rubles.) - for portrait shooting in the room.
• 🔦 Ring lamp (~800 rubles.) – for selfies and macro.
• ☀️ Light reflector (~200 rubles.) - for natural lighting without glare.

When choosing accessories, pay attention to compatibility with Redmi 9. For example, lenses should be attached to a standard camera diameter (usually a camera size). 12-15 Also check reviews - some cheap accessories can degrade the quality due to poor glass.

8. Alternative Camera Applications

Xiaomi’s standard Camera app doesn’t always do the trick, so let’s look at the best alternatives from Google Play that can improve shooting on Redmi 9:

1. Google Camera (GCam)

• ✅ Better processing HDR night-time.
• ✅ Support for Astrofotography (for shooting stars).
• ⚠️ Requires manual configuration of the configuration file (.xml).

2. Open Camera

• ✅ Complete control of parameters (ISO, exposure, white balance).
• ✅ Support for external microphones.
• ✅ No advertising.

3. Footej Camera

• ✅ Quick launch and minimal lags.
• ✅ Convenient interface with gestures.
• ✅ Support for shooting in RAW.

4. ProCam X

• ✅ Professional instruments (histogram, levels).
• ✅ Light Painting (Light Painting).
• ⚠️ Paid (~300 rubles, but there is a trial version.

Before installing an alternative camera:

1. Check compatibility with Redmi 9 on forums (e.g, 4PDA or XDA Developers).
2. Turn off the standard camera in settings (Settings) → Annexes → Camera. → Shut down).
3. Set up permissions for the new application (Settings) → Annexes → Permits).

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GCam requires a special firmware to work fully on Redmi 9. Without it, some modes (for example, Night View) may not work.

If artifacts or errors occur after installing the alternative camera, go back to the standard app and reset the camera settings (Settings) → System system → Resetting settings → Reset application settings).

FAQ: Answers to Frequent Questions