How to set up a new smartphone Xiaomi Redmi 9C: Complete guide from unpacking to fine optimization

You just bought a Xiaomi Redmi. 9C — Budget but functional smartphone with a processor MediaTek Helio G35, 6.53-inch display and 5,000mAh battery?Before diving into the world of apps and games, the device needs to be properly configured.Even in the budget segment of Redmi 9C It hides a lot of possibilities that are not obvious at first glance: from energy-saving modes to hidden gestures of control.

This article isn't just a retelling of the standard instruction manual, but here you'll find practical optimization tips that the manufacturer doesn't advertise, like how to disable unnecessary system applications without root rights, why you should immediately update the firmware through the Internet. MIUI Updater, and how to set up a double space to separate work and personal data, we'll also look at common beginner errors that cause the smartphone to slow down after a week of use.

Whether you’re switching from iPhone to Android or just upgrading your old Xiaomi, this guide will help you avoid common problems. 9C for a child or elderly parents – at the end of the article there is a separate section with recommendations for simplifying the interface.

1. First Entry and Basic Setup

After unpacking Xiaomi Redmi 9C You're going to go through the initial setup process, and it starts with the choice of language, which is where you need to install Russian right away, to avoid problems with localizing system applications later, if you see Chinese or English, don't panic: Click on the gear in the upper right corner and manually select the language.

The system will then propose:

• 📶 Connecting to Wi-Fi is a must, because without the Internet you will not be able to download the latest updates and synchronize your Mi Account account.
• 🔑 Sign in to a Xiaomi account or create a new one – if you already have an account on another Xiaomi device, use the same data to sync notes, contacts and photos.
• 📱 Transfer data from your old phone – if you have Android, choose Mi Mover; for iPhone, you will need to pre-installe the Move to iOS app on your old phone.
• 🛡️ Set up screen locking – fingerprint on Redmi 9C It works stable, but if you plan to use a smartphone in gloves, add a pIN-code.

⚠️ Note: If you miss creating Mi Account at the initial setup stage, later some features (like Find Device to find a lost phone) will not be available. → Xiaomi account.

After the basic setup, the smartphone will offer to update the firmware. 9C Factory firmware often has an outdated version MIUI, It can contain security vulnerabilities and performance bugs. Don't ignore this window, upgrade immediately, even if the process takes a while. 10-15 Read more about the updates in the section 4.

2. Optimization of the interface and gestures of control

Interface. MIUI 12/13 on the Redmi 9C It offers two options for navigation: classic buttons (like the older versions of Android) and gestures, which save space on the screen and speed up interaction:

1. Open the Settings → Display.
2. Select Full Screen Mode.
3. Activate Gestures and test them in demo mode.

Hidden Gesture Opportunities on Redmi 9C:

• 👆 Swipe your finger up and hold it – a list of recent apps will open.
• 👈 Swipe from left edge to right – quick return to the previous screen (analogue of the button “Back").
• 🔄 Double tap on the lock screen – turn on / off the screen (configured in Settings) → Lock screen → Additionally).

If you don’t have enough functionality, install a third-party launcher, such as a Nova Launcher or Hyperion Launcher.

• 🎨 Customize icons and animations.
• 📂 Grouping applications into folders with gestures.
• 🔍 Add a search bar to the main screen.

⚠️ Note: When using third-party launchers, disable duplicate system gestures in Settings → Additional settings → Buttons and gestures to avoid conflict.

3. Security and privacy setting

Xiaomi Redmi 9C Collects data about the use of the device to improve services – this is standard practice for the MIUI. However, some of the telemetry can be turned off without compromising functionality:

1. Go to Settings → Privacy → Special permissions.
2. Turn off Personalized Recommendations and Usage Analytics.
3. In the Application Permissions section, check which programs have access to geolocation, microphone, and camera.

To protect against viruses and fraudulent websites:

• 🛡️ Turn on Google Play Protect in Google Play Settings.
• 🔒 Install. MIUI Security (pre-installed) and run a full check.
• 🌐 In the Mi Browser browser, activate Safe Browsing in the settings.

If you are handing over a smartphone to a child, set up parental controls:

1. Open the Settings. → Xiaomi account → Family control.
2. Add a child profile and set limits on time of use, purchases and content.

4. Update firmware and fix bugs

Xiaomi Redmi 9C work MIUI, But not all of them come automatically, especially if you bought a smartphone from an unofficial store:

1. Open Settings → About the phone → System update.
2. Click on the three dots in the top right corner and select Update Checker.
3. If a new version is available, download it over Wi-Fi (the volume can exceed 1 GB).

Typical issues after updating and their solution:

• 🔋 Quick battery discharge - reset the cache to Settings → Annexes → Application management → Google Services Framework → Warehouse → Clear the cache.
• 📶 Mobile network problems – restart your phone or manually select the operator in Settings → SIM-map → Choice of network.
• 🎵 No sound in the speaker - check if the mode is activated Do not disturb in the notification curtain.

⚠️ Note: If after the update, the smartphone began to warm up a lot, check the list of running processes in Settings → Battery → Battery use. Often the background tasks of Google Play Services or Mi Video are to blame - force them to stop.

If the automatic update doesn’t find a new firmware, but you know it’s out (for example, through forums). 4PDA), You can set it up manually:

1. Download the official.zip firmware file for Redmi 9C (codename Angelica from the site MIUI Downloads.
2. Place the file in the root directory of internal memory.
3. Go to Settings → About Phone → System Update → Three Dots → Select a firmware file.

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Before manual firmware update, back up the data through Settings → Additionally. → Backup and reset → Local backup. This will save your contacts, messages and app settings.

5. Optimization of performance and battery

Redmi 9C It's not a flagship, so it requires fine tuning to work smoothly. Start with the battery: despite at 5,000 mAh, autonomy can be frustrating if you don't turn off the voracious features.

How to extend the working time:

• 📵 Turn off Constant Network Search in Settings → SIM-map → Network settings.
• 🌙 Activate the Dark Theme in Settings → Display. → Dark subject (AMOLED-There is no screen, but it reduces the strain on the eyes).
• 🔄 Set Adaptive Brightness and Limit to a Maximum of 70%.
• 🚫 Turn off auto-run of unnecessary apps in Settings → Annexes → Application management → Auto-start.

To accelerate the system:

1. Enable Performance Mode in Settings → Battery → Battery mode.
2. Turn off animations: activate Developer Settings (7 times tap the version) MIUI in About Phone), then in Developer Settings set the Scale of the Windows Animation, Transition and Animator on Off..
3. Clean the cache once a week through Settings → Warehouse → Clear the cache.

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Regular cache cleaning and background processes shutdown could increase Redmi's autonomy 9C on 15-20%.

6. Camera and multimedia setup

Redmi camera 9C modest (13 MP core module) + 2 MP for macro photography, but with the right settings, you can get acceptable results:

• 📸 Turn it on. HDR in camera settings for better detail in bright light.
• 🌃 For night photography, use Nchona camera mode (hold your finger on the screen for manual exposure).
• 🎥 In video settings, select permission 1080p 30 fps frequency to balance file quality and size.

Hidden camera functions:

• 🔍 Macro mode is activated automatically when approaching the object by 4 cm.
• 🤳 Portrait mode works even on the front camera (5 MP).
• 📷 Professional mode allows you to manually adjust ISO, white-balance.

To improve your photo quality, install Google Camera (GCam), an unofficial port with better image processing. Download the MediaTek Helio version G35 forum 4PDA tune in:

Configuration: Back Camera → HDR+ Enhanced


Settings: AWB → Cloudy




Noise suppression: High

For music and video:

• 🎧 Turn on Mi Sound Enhancer in the sound settings to improve bass.
• 📺 Activate Clean Video in Settings → Display for smooth roller playback.

7 Additional features: double space, second account and secret codes

MIUI It offers unique features that are not available in pure Android, and one of them is Second Space, which creates a second independent profile with its own apps and data:

• 👔 Separation of work and personal data.
• 👶 Restrictions on access for children.
• 🔐 Hiding confidential information.

To set up:

1. Go to Settings. → Special facilities → Double space.
2. Create a second profile with a separate password.
3. Choose which applications and files will be duplicated.

Other useful functions:

• 🔄 Application cloning (Settings) → Annexes → Cloning apps – creates a second copy of messengers (for example, two WhatsApp on the same phone).
• 📡 Modem mode (Settings) → Access Point and modem – distributes the Internet over the Internet USB/Wi-Fi/Bluetooth.
• 🔢 Secret codes for diagnostics: ##4636## - information about the battery and network. ##6484## - sensor test. ##64663## - Wi-Fi diagnostics.

⚠️ Note: When using dual space, some system updates may require rebooting to both profiles. 2-3 GB).

8 Recommendations for older users and children

If you're setting up Redmi 9C For older relatives or children, the interface can be simplified:

• 📱 Enable Simple Mode in Settings → Special facilities → Simple mode – this will increase the icons and simplify the menu.
• 🔊 Increase the volume of calls and notifications in Settings → Sound.
• 📞 Add important contacts to the main screen as a widget Quick dial.

For children:

• 🧒 Set up Parental Controls (Section 3).
• 🎮 Limit game time through Settings → Screen time.
• 🔒 Install Kids Place from Google Play – This Will Create a Sandbox with Safe Apps.

If the elderly person is not able to see:

• 👓 Activate Screen Increase in Settings → Special facilities → Increase.
• 🌈 Include Color Inversion for Better Contrast.
• 📖 Set a large font (Settings) → Display. → Type size).

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For older users, turn off unnecessary gestures (such as swipe to call the camera) in Settings → Additional settings → Buttons and gestures to avoid random actions.

FAQ: Frequent questions about Xiaomi Redmi 9C