Xiaomi Redmi Note 12: a detailed user guide with secrets and life hacks

First acquaintance with Xiaomi Redmi Note 12

Xiaomi Redmi Note 12 is one of the most popular mid-range smartphones, combining performance, screen quality and advanced features. But even experienced users do not always know how to unleash the full potential of this device. In this article, we will discuss not only the basic settings, but also the hidden features that will make using the phone as comfortable as possible.

The smartphone is equipped with a processor Snapdragon 4 Gen 1 (or MediaTek Helio) G99 depending on the modification), AMOLED-It's a 120 Hz refresh screen and a 5,000 mAh battery, but iron is only half the success. MIUI (Xiaomi’s branded shell can significantly improve the interaction experience.

If you’ve just unpacked the Redmi Note 12, start with the basics: Installation SIM-But don't rush to skip this section -- even here, there are nuances that many people don't know about.

First Entry and Initial Setup

After removing the smartphone from the box, follow the following steps:

• 📱 Put it in. SIM-Card(s) in the tray (Nano-SIM supported) + nano-SIM or nano-SIM + microSD. Use a clip from the kit to remove the tray.
• 🔋 Connect the charger (there is a power supply unit in the kit) 33W). Charging to 100% from zero takes about 60 minutes – this is the norm for this model.
• 🖥️ Press the power button on the right side before the Redmi logo appears.The first turn on can take up to 2 minutes.

At the initial configuration stage, the system will offer:

1. Select the language (we recommend Russian (Russia) for the correct operation of the services).
2. Connect to Wi-Fi (better to use 5GHz for speed).
3. Sign in to your Mi Account or create a new one (required for data synchronization).
4. Set up unlocking: fingerprint, pattern lock or PIN-code.

⚠️ Note: If you miss Mi Account binding during the setup stage, some features (such as device search or cloud backup) will not be available.

Once you have completed the setup wizard, check for software updates: go to Settings → About Phone → System Update. Redmi Note 12 runs on MIUI 14 (or later), and fresh firmware fixes bugs and adds new features.

Screen settings: frequency, color temperature and always on display

AMOLED-Redmi Note 12 supports 120Hz refresh rate, but the default can be 60Hz to save charge:

1. Go to Settings → Display.
2. Select the screen refresh rate.
3. Install 120Hz for smoothness or Auto for balance between performance and autonomy.

To adjust the color rendering:

• 🎨 In the same section, select the Color Scheme.
• 🔍 Try Saturated (for bright colors) or Standard (for natural shades) modes).
• 🌡️ Adjust color temperature manually if the colors appear too cold or warm.

The Always-On Display (AOD) feature displays time, notifications and battery power even on a locked screen to activate it:

1. Go to Settings → Display → Always-On Display.
2. Turn on the switch and select the display style.
3. Set your schedule (for example, only at night) in sleep mode.

⚠️ Attention: AOD Increases battery consumption ~5-7% If autonomy is critical, turn off the function or use it only when charging.

Set frequency 120 Hz |Select color scheme "Standard" |Activate AOD with schedule |Switch off autobrightness in the dark-->

Gesture management and navigation

MIUI offers three navigation options: classic buttons, MIUI gestures and Android gestures.

• 👆 Swipe up from the bottom edge - return to the main screen.
• 👆👆 Swipe up and delay - Open the application menu.
• 👈 Turn back to the left or right side of the back.

To change the way you navigate:

1. Go to Settings → Display → Navigation panel.
2. Select Android Gestures (recommended).
3. Set the sensitivity of gestures in the Additional settings.

Additional gestures simplify the work:

• 🔄 Double tap the screen to wake up (included in Settings) → Display. → Awakening with a double touch).
• 🎵 Gesture for quick camera start: double-press the power button (configured in Settings) → Camera. → Quick camera launch).
• 🔕 Turnover for silent mode: flip the phone screen down to turn off the sound (includes in Settings) → Sound and vibration → A coup for a silent regime).

If gestures are not working smoothly, check for a protective film, which sometimes interferes with the sensor. Also in Settings → Additional → Special features → Touching and delaying can reduce screen response delay.

Battery Optimization: How to Extend Your Time

The 5000mAh battery in the Redmi Note 12 provides up to 1.5-2 days of moderate use, but the wrong settings can reduce battery life by 2 times.

For detailed optimization:

1. Go to Settings. → Battery.
2. Turn on Ultra Battery Mode (disables background processes at low charge).
3. In the Battery Use section, check which applications use the most power and limit their activity.

Charging: Use the original 33W power supply. Fast charging is automatically turned on, but if the phone is warming, turn it off in Settings → Battery → Fast charging. To extend battery life, avoid discharging below 10% and charging above 90% in everyday use.

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If the phone gets too hot when charging, remove the case and put it on a flat surface, and overheating can reduce battery life by 30% in a year.

Camera: Hidden functions and professional modes

The Redmi Note 12 has a 48MP main camera (or 50MP in the Pro version), but the quality of the shots is not just based on the iron, the sondern and the settings.

• 📸 Turn it on. HDR manually (in camera settings) for better working out shadows and lights.
• 🌙 For night shooting, use Nchon camera mode with manual shutter speed up to 30 seconds (a tripod is required).
• 🎥 In video mode, activate Stabilization and remove the resolution before 1080p 60fps smoothly.

Professional Mode (Pro) allows you to manage:

• 🔘 By excerpt (from) 1/4000down 30s).
• 🔘 ISO (Sensitivity, optimally 100-800 for daylight).
• 🔘 White balance (select preset or set manually on scale) 2500K–10000K).

To capture documents, use Document Mode, which automatically aligns perspective and increases text clarity, and Cloning Mode (in Additional) allows you to take multiple pictures with one object in different poses against the same background.

⚠️ Note: When shooting in 48 MP format, files take up to 15-20 MB each. If your phone has limited memory, switch to 12 MP in the camera settings.

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For the best low-light photos, use the combination: HDR + Night Mode + manual focus, which will give 40% more detailed shots than automode.

Communication and Networks: 5G, Wi-Fi 6 and Dual SIM

Redmi Note 12 is supported by 5G (In versions with Snapdragon 4 Gen 1, Wi-Fi 6 and the operation of two SIM-But you have to adjust the parameters correctly to work smoothly:

To optimize the mobile Internet:

1. Go to Settings. → SIM-maps and mobile networks.
2. Select the preferred network type:

VoLTE

VoWiFi

To set up the Wi-Fi:

• 📡 Enable Wi-Fi 6 (if the router supports) in Settings → Wi-Fi → Additionally. → Wi-Fi standard.
• 🔒 Disconnect Auto Connection to Open Networks for Security.
• 🔄 Activate Smart Switching (Automatic Mobile Internet Switching with Poor Wi-Fi).

If your phone is not catching the network well, try:

1. Update the firmware of the communication module in Settings → About the phone → System update.
2. Reset network settings in Settings → SIM-maps and mobile networks → Resetting network settings.
3. Use the NetOptimizer app (available from the Mi App Store) for diagnosis.

Security: Data protection and unlocking the bootloader

MIUI offers several layers of protection, but many users miss key points.

• 🔐 Install. PIN-code (minimum 6 digits) or pattern lock (complex drawing).
• 👆 Add a fingerprint (up to 5 fingerprints) to Settings → Passwords and security → Fingerprint.
• 👤 Set up facial recognition (less reliable but convenient).

For advanced users:

• 🔒 Enable phone encryption in Settings → Passwords and security → Encryption. It takes up to 1 hour, but it protects data when stolen.
• 🛡️ Activate Reset Protection (requires you to enter a password when resetting to factory settings).
• 🔧 If you plan to install custom firmware, unlock the bootloader through the official Mi Unlock tool (instructions on the Xiaomi website).

⚠️ Warning: Unlocking the bootloader will reset all data on the phone and may result in loss of warranty.

To protect against fraudsters:

• 🚫 Disable the Installation from Unknown Sources in Settings → Passwords and security → Installation from unknown sources.
• 🛡️ Turn on Google Play Protect (in Google Play settings).
• 📵 Use Incognito Mode in the Browser for Sensitive Operations.

FAQ: Answers to Frequent Questions