Xiaomi Redmi Note 9 Pro: how to set up a smartphone for yourself – from the first inclusion to hidden chips

Xiaomi Redmi Note 9 Pro remains one of the most popular mid-range smartphones even years after its release. 720G, The 5020 mAh battery, quadruple camera and 120 Hz display (in the Note 9 Pro Max version) make the device relevant for many users.

In this article, we will analyze not only the basic settings after the purchase, but also hidden functions. MIUI, Optimizing performance, solving typical problems (overheating, fast discharge, lags) and even unique features that are not written about in the standard instructions, such as how to turn on Game Turbo 3.0 for gamers or configure Dual Apps for two WhatsApp accounts on the same phone.

Whether you’ve just bought the Redmi Note 9 Pro or have been using it for a year, there’s something new here, and if you’re facing a specific problem (like a problem that doesn’t work). NFC or no photos are saved to the memory card, use the table of contents to quickly go to the desired section.

First Installing and Basic Setup

When you first turn on the Redmi Note 9 Pro, the system offers you to go through the initial setup wizard, and it's easy to miss important points, so we'll go through each step in detail.

First, select the language (Russian is available by default) and region. Pay attention to the region: if you specify the wrong country, some features may disappear (for example, Google Pay will not work in Russia if you choose the United States).

• 🔌 Connect to Wi-Fi. It is better to use the home network, as mobile Internet can limit the speed of downloading updates.
• 🔄 Update. MIUI Even if the smartphone is new, the store could have installed outdated software. → The phone. → Updating the system.
• 👤 Sign in to Xiaomi account (or create a new one) this will open access to cloud storage, themes and Find Device feature (find your phone when you lose it).
• 🔐 Set up unlocking: fingerprint, pattern lock or PIN. Don’t just use swipe – it’s unreliable.

After the basic settings, check the settings. → Additionally. → If China is there, change to Russia/Europe, that will fix the Google Play and notifications issues.

⚠️ Note: If you bought a phone in China or on AliExpress, it may have limited global firmware installed. MIUI In Settings → About the phone, if there's letters in it. CN — This is the Chinese version, and you will need to reflash the firmware to work properly.

Optimizing productivity: how to remove lags and speed up work

Redmi Note 9 Pro on Snapdragon 720G It's powerful enough, but it can slow down over time:

• 📱 Too many background processes (MIUI Likes to keep apps in mind).
• 🗑️ A full storage (especially if less than 10% of the available space is left).
• 🔄 Outdated firmware or conflicting updates.

To speed up the smartphone:

1. Turn off animation. Go to Settings. → About the phone, tap 5 times on the version MIUI, to turn on the developer mode. Then to Settings. → Additionally. → For developers, set: The scale of the window animation: 0.5x Scale of transition animation: 0.5x Duration of the animator: 0.5x
2. Limit background processes. In the same developer menu, select Process Limit. → Maximum 2 process in the background.
3. Clear the cache. Go to Settings. → Warehouse → Clean the cache. Do it once a month.

If your phone is hot during games, activate Game Turbo:

1. Open Settings → Special features → Game Turbo
2. Turn on the option and add games to the list.
3. In Game Turbo settings, select Performance mode and turn off Notifications while playing.

Camera setup: Hidden features and professional modes

The Redmi Note 9 Pro has 4 modules: a basic 48 MP (or 64 MP in the Pro Max), ultra-wide-angle, macro and depth sensor. But by default, many features are disabled or hidden.

To improve the quality of the photo:

• 📸 Turn it on. HDR manually (automatically)-HDR It doesn't always work correctly. To do this, tap the icon on the camera app. HDR top-panel.
• 🌙 For night photography, use Night Mode 2.0 mode. Keep your phone as still as possible or use a tripod.
• 🔍 For macro photography, hold the object at a distance of 2-5 cm and wait for focusing (a yellow frame will appear on the screen).
• 🎥 In video mode, enable Ultra Steady stabilization for smooth frames.

Secret mode Pro Color (not available in all firmware):

1. Open the camera and go to the additional → Pro.
2. Put the pin on the gear icon (settings).
3. Select a Color Profile → Pro Color for more saturated shades.

If the photos are saved with noise in low light, try reducing the resolution to 12 MP in the camera settings. This will increase the aperture of the pixels.

⚠️ Note: When shooting in 48 MP format, photos are taken ~20 MB each. If you don't have enough space on your phone, switch to 12 MP in resolution settings.

NNFC: How to set up contactless payments and not only

Redmi Note 9 Pro is supported by NFC, But this feature is often disabled by default:

1. Go to Settings → Connection and Exchange → NFC.
2. Turn on the NFC switch.
3. For payments, select Contactless payments → Google Pay (or Mi Pay if you use Chinese firmware).

If Google Pay is not working:

• 📱 Make sure the region is in your phone settings – Russia or Europe.
• 🔄 Update Google Pay and Google Play Services.
• 🛡️ Check if Magisk or root rights are installed (they block payments).

NFC Redmi Note 9 Pro can be used not only for payments, but also for the use of the:

• 🔑 Fast file transfer between phones (Android Beam feature).
• 🚪 Opening doors with NFC-tags (for example, in the entrance or office).
• 🎟️ Storage of electronic tickets (in the applications of Aeroflot, Russian Railways, etc.).

⚠️ Attention: If NFC It stopped working after the update. MIUI, Try resetting your network settings: Settings → System system → Reset → Network resets. It won't delete your data, but it will return network settings to factory settings.

💡

To turn on quickly NFC, Add its tile to the notification bar: swipe down twice, tap on a pencil (edit) and drag the icon NFC tiles.

Battery: how to extend the working time and avoid rapid wear

The 5020mAh battery in the Redmi Note 9 Pro should hold a charge of 1.5-2 days with moderate use.

• 📊 Charge consumption by application: Settings → Battery → Usage statistics: If an application consumes >10%, limit its activity in the background.
• 🔍 Background activity: Settings → Annexes → Permits → Autostart. Turn off autostart for unnecessary programs.
• 📶 Network mode: if you have a weak signal 4G, The phone is spending a lot of energy searching for the network. 3G In Settings → SIM-maps and mobile networks.

To extend the battery life:

• 🔋 Do not keep your phone charging for more than 8 hours (especially at night) and charge up to 80-90%.
• 🌡️ Avoid overheating (do not play heavy games while charging).
• 🔄 Calibrate once every 3 months: discharge the phone to 0%, then charge to 100% without interruptions.

If the phone is not charging or charging too slowly:

• 🔌 Check the cable and adapter (the original 33W unit charges up to 50% in 30 minutes).
• 🧹 Clean the port USB-C of dust with a toothpick (carefully!).
• 🔄 Enable Quick Charging in Settings → Battery → Battery settings.

Hidden MIUI features you didn’t know about

MIUI Redmi Note 9 Pro hides a lot of useful chips:

• 🔒 Second space: Creates a separate desktop with its own applications and data (good for work or privacy) and is included in Settings. → Special facilities → Second space.
• 📱 Dual Apps: allows you to duplicate instant messengers (for example, two WhatsApp or Telegram). → Annexes → Dual Apps.
• 🎵 The screen is always on, displays time and notifications when you lock it. → Lock screen → The screen is always on.
• 🔍 Screen search: swipe down the main screen and enter a request – the system will find applications, contacts and even settings.

Another useful feature is Read Mode, which reduces the blue of the screen and makes the text black on a white background (like an e-book), and turns on a swipe down the notification panel (the "book" icon) or in Settings. → Screen. → Reading mode.

For customization enthusiasts:

• 🎨 Install live wallpaper from the Theme (pre-downloading them in the Themes app).
• 🔧 Change the style of icons in Settings → Main screen screen → Badge style.
• 📲 Set up gestures: in Settings → System system → Gestures can be turned off the navigation bar and swipes can be used.

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Second Space creates a completely isolated environment with separate accounts, files, and settings – ideal for separating work and personal life.

Solving typical problems: overheating, glitches, errors

Even a reliable smartphone like the Redmi Note 9 Pro can run into problems, and let's look at the most common and ways to solve them.

If the phone is not switched on:

1. Connect to charging for 30 minutes (even if there is no reaction).
2. Press the Power button + Volume up for 10 seconds for a forced reboot.
3. If it doesn’t help, try recovery (power button) + Volume up and make Wipe Cache.

If the touchscreen is not working:

• 🧤 Remove the protective film or cover (they may interfere with the safety of the body).
• 🔄 Reboot the phone.
• 🛠️ If the problem persists, check the display for physical damage.

⚠️ Note: If after the update MIUI The phone is starting to glittle, try to roll back to the previous version through Recovery. To do this, download the firmware from the official Xiaomi website and select Install update.zip recovery menu.

FAQ: Answers to Frequent Questions