Xiaomi Redmi 9A It remains one of the most popular budget smartphones due to its balanced specs and affordable price, but out of the box, the device often does not work at full capacity: factory settings MIUI Optimized for the average user, not for your specific tasks, and the right initial setup will help you avoid brakes, speed up charging, extend battery life and even improve photo quality.
In this guide, we will not only examine the basic steps (like linking a Mi Account), but also the hidden functions. MIUI 14 that Xiaomi doesn't advertise. You'll learn how to turn off unnecessary services that eat up charge, adjust gestures for easy one-handed control, and protect personal data from leaks. 9A with a MediaTek Helio processor G25 2-3 GB of RAM requires a competent approach to multitasking.
If you've just unpacked your smartphone or want to reset it after you reset, this is your cheat sheet, and for power users, we've prepared unique tricks that you won't find in the standard manual, like how to force-activate Game Turbo mode for any application or manually limit the background activity of instant messengers.
1. First Entry and Basic Setup
When you first turn on Xiaomi Redmi 9A, So the system offers you to go through the initial setup wizard, and it's important to take your time and choose your settings carefully, and many of them will have to be changed manually.
First, select a language (Russian or English if you plan to use foreign firmware). Then connect to a Wi-Fi network - it is better to use the home network rather than mobile Internet to avoid unnecessary traffic wasting on downloading updates. At the stage of signing in to your Mi Account account, you can skip the binding (Skip button at the bottom of the screen), but we recommend you to create an account later - it will be necessary for synchronizing data and unlocking the bootloader.
- π± Language and Region: Select Russia under Region to avoid app localization issues (e.g. Google Play).
- π Screen lock: Install PIN-code or pattern lock β fingerprint on this model is not supported.
- βοΈ Backup: Turn off Automatic Recovery if you donβt want the old settings from your previous smartphone to be automatically transferred.
- π² Google Services: Allow access to Geolocation and Diagnostics, but disable Interest-Based Ads in Google Account Settings.
β οΈ Note: If you missed creating Mi Account during the setup phase,Later you can do this in Settings β Mi Account. Without it, you wonβt be able to use cloud backups, find your phone if lost, or unlock the bootloader for custom firmware.
After completing the setup wizard, check for system updates: go to Settings β The phone. β System Update. Xiaomi regularly releases security and optimization patches for Redmi 9A, So, update to the latest version. MIUI (by the time of 2026, it is relevant MIUI 14 based on Android 12).
2. Optimization of performance and memory
Xiaomi Redmi 9A It's equipped with a modest 2 to 3 GB of RAM, so without optimization, the system can slow down, especially when multitasking.
Go to Settings. β Annexes β Autorun and disable autoboot for all programs except instant messengers and system services. Pay special attention to applications from Xiaomi (Mi Video, Mi Music, GetApps) β they often work in the background without needing. In the same application settings, select Background Limitation and set Strict restrictions for games and social networks.
- π Performance mode: Activate Game mode in Settings β Special facilities β Game Turbo: Not only does it speed up games, it also optimizes heavy apps (like Chrome with multiple tabs).
- π§Ή Cache Cleanup: Once a week, clear the cache in Settings β Warehouse β Cleanup.Use the built-in Deep Cleanup tool, but don't manually delete application data - it can break their work.
- π Reboot: Reboot your smartphone every 2-3 days, which clears the memory of the βjunkβ processes that are used to make the device work. MIUI It doesnβt always clean automatically.
| Parameter | Recommended value | The effect |
|---|---|---|
| AOD (Always On Display) | Shut down. | Saves up to 15% of charge per day |
| Window animation | 0.5x (developer-setting) | Accelerates the opening of applications |
| Background synchronization | Disable for unnecessary applications | Reduces the load on the processor |
| Auto-update of applications | Only on Wi-Fi. | Saving mobile traffic |
β οΈ Note: Do not use Google Play boosters or optimizers (such as Clean Master or Google Play). DU Not only does it not help, it can also conflict with built-in tools. MIUI, It's a built-in tool to clean up the memory. β Cleanup.
If your smartphone is slowing down anyway, try turning off microshading (a feature that blurs the background in the multitasking menu). MIUI In the About phone section, then find the option to Disable microshade.
βοΈ Redmi optimization 9A
3. Battery setting: how to extend the operating time
Redmi 9A It is equipped with a battery capacity of 5000 mAh, but due to the budget processor and optimization MIUI The key to long-term autonomy is to set up the right energy saving settings and control background processes.
First, activate Super-Energy Saving in Settings β Battery and performance β Power saving modes: This mode limits background activity, reduces screen brightness and turns off vibration, but it prolongs work by 20-30%. It is also useful to enable Adaptive Charging (if available in your firmware) - it slows battery wear, limiting charge to 80% at night.
- π Charging: Use the original power supply 10W. Fast charging is not supported and third-party charging can damage the battery.
- π Dark theme: Include it in Settings β Screen. β Dark subject. AMOLED-This saves up to 20% of the charge, but even on the screen. IPS (like Redmi. 9A) grant +10%.
- πΆ Mobile data: Turn off 4G, If you don't need high-speed Internet, it's in mode. 3G Smartphones consume 15% less energy.
- π Geolocation: Set the mode only by GPS (without network and Wi-Fi in Settings β Geolocation β Regime.
For advanced users: In the Developer Settings, find the option to Limit Background Processes and set a Maximum 2 process value. This will radically reduce battery consumption, but some applications (such as instant messengers) will be updated less often.
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If your smartphone is discharged overnight by more than 10%, check the apps in Settings β Battery. β Battery use: Facebook, Instagram or Mi Push Service are most often to blame (it can be turned off in notification settings).
4. Security and confidentiality
MIUI collects more data than Android in its pure form, but most tracking features can be turned off. β Confidentiality and deactivate:
- π Use Analytics (Send Usage Data)
- π Location tracking for advertising (Personalized recommendations)
- π Device search (if you donβt use the Find Device function)
Next, go to Settings. β Google β Managing a Google Account β Data and personalization and disable:
- π Location history
- π€ Audio recordings (if you don't use Google Assistant)
- π Personalized advertising
To protect against malicious applications, turn on the Security Scanner in Settings β Security β Virus scanner.We also recommend installing Malwarebytes from Google Play for additional checks.
β οΈ Note: If you install applications from third-party sources (APK), First, turn off the check. MIUI In Settings β Special facilities β Security check MIUI. Otherwise, the system will block the launch of uncertified programs, even secure ones.
To be completely anonymous, you can turn off Google Play Services for individual applications, for example, Telegram or Signal work without them, but Gmail or Maps do not. To do this, go to Settings. β Annexes β Application management β Google Play Services β Permits.
How to remove all ads in MIUI?
5. Screen setting and usability
Redmi screen 9A β IPS LCD permittingly 720Γ1600 diagonally 6.53". Despite the budget specifications, it can be customized for comfortable use:
- π Color Temperature: Set Warm or Cold in Settings β Screen. β Color mode. Warm colors are better for reading.
- ποΈ Eye Protection: Enable Reading Mode and set your schedule (e.g. 21:00 to 7:00).
- π± Gestures: Activate full-screen gestures in Settings β Screen. β Full-screen display for control without buttons.
- β‘ Adaptive brightness: Turn it off and set the brightness manually by 50-60% β this will save charge.
For owners with thumbs, it is useful to increase the sensitivity of the screen: in the developer settings, find the Touch Sensitivity and set High. You can also activate One-Handed Mode in Settings. β Special facilities β One-handed mode β the screen will compress for easy access to the upper elements.
If the image on the screen appears blurry, check the zoom settings: Settings β Screen. β Text and display size. Set the display scale to default and font size to Medium.
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Full-screen gestures and one-handed mode - mandatory settings for Redmi 9A They make one-handed control comfortable, even though it's a budget build.
6. Communications and Networks: How to Improve Signal and Speed
Redmi 9A supportive 4G LTE, Wi-Fi 802.11n (2.4 GHz) and Bluetooth 5.0. However, due to a weak antenna, the signal can be unstable:
- πΆ Network Priority: In Settings β SIM-maps and mobile networks β Preferred type of network select 4G (If the signal is weak, try it. 3G.
- π Auto-connect to Wi-Fi: Disable Automatic Connection to Open Networks in Settings β Wi-Fi β Additionally.
- π‘ Wi-Fi Analyzer: Use the WiFi Analyzer app to find the least loaded channel for your router.
- π Bluetooth: For stable communication with headphones, turn on the dual Bluetooth antenna in the Developer Settings.
If the mobile internet is slow, try changing the internet. APN (The access point:
- Go to Settings. β SIM-maps and mobile networks β Access points (APN).
- Click Add and enter your operatorβs settings (e.g. for MTS: Name: MTS, APN: internet.mts.ru).
- Save and select a new profile.
β οΈ Note: If the smartphone does not catch the network after updating the firmware, reset the network settings: β The phone. β Resetting settings β Reset network settings. This will delete all stored Wi-Fi and Bluetooth devices, but return stable communication.
To save traffic, include Data Saving in Settings β SIM-maps and mobile networks β Traffic savings: It is also useful to limit the background use of mobile data for applications (for example, for YouTube or TikTok).
7. Camera: Secrets of shooting on a budget smartphone
Redmi 9A It has a modest 13MP (main) and 5MP (front) camera, but even with it you can take high-quality pictures with the right settings. First, update the Camera app to the latest version through Google Play - Xiaomi regularly improves processing algorithms.
Main recommendations:
- πΈ HDR: Turn it on. HDR in camera settings for better working out shadows and lights.
- π Night mode: Use it even during the day in areas with poor lighting. Keep your smartphone still for 2-3 seconds.
- π Manual focus: Press the screen and hold your finger to block the focus before shooting.
- π₯ Video: Shoot video in resolution 1080p@30fps β 720p too blurry, and 60fps gives strong artifacts.
To improve the quality of the photo manually adjust the parameters in Professional mode:
- ISO: Install. 100β400 day-shot, 800β1600 night-time.
- Excerpt: In the afternoon β 1/1000c, at dusk β 1/30c (use a tripod!).
- White Balance: Choose Daylight or Cloudy instead of Auto.
If the camera focuses or βsoapsβ for a long time, clean the lens with a soft cloth (do not use alcohol!). Also check if the case covers the camera - even a small pressure leads to blurring.
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To capture documents, use Document mode in the Camera app, which automatically aligns perspective and increases text contrast. Alternatively, Google Play's CamScanner app.
8 Additional chips and hidden functions
MIUI It hides a lot of useful features that most users don't know about. 9A:
- π Second Space: Create a separate profile with other apps and settings in Settings β Special facilities β Second space, useful for separating work and personal life.
- π΅ Sound equalizer: Adjust the sound to your headphones in Settings β Sound and vibration β Equator.Bass Boost preset improves low frequencies.
- π² Application cloning: C Settings β Annexes β Cloning apps can create a second copy of WhatsApp, Telegram or Facebook.
- π Automation: In Settings β Additionally. β Automation set rules, for example, Enable silent mode at night.
For fans of experiments: in the Developer settings you can activate:
- GPU-acceleration (Insert GPU-Acceleration β speeds up animation.
- 4x MSAA (Turn on 4x MSAA) β Improves graphics in games (but increases load).
- Debugging by USB β You need to connect to the PC through ADB.
If you want to completely change the look of the system, install a theme from the official Mi Themes store. Free themes (for example, Dark Mode Pro or iOS Style) radically transform the interface.