How to use Xiaomi Redmi 9A: instructions from A to Z

Xiaomi Redmi 9A is one of the most popular budget smartphones that combines simplicity and functionality. Even if you have never used an Android device before, it will be a great choice for everyday tasks: calls, instant messengers, social networks and even light games. However, many users have questions: how to set up the phone correctly, what features are hidden in the menu, and how to avoid typical errors in operation.

In this guide, we will take you through all the key aspects of working with the Redmi 9A, from the first on-line to fine-tuning the system, learn how to optimize performance, extend battery life and take advantage of the hidden capabilities of MIUI (branded shell Xiaomi), focusing on the typical problems faced by owners and how to solve them without going to the service center.

Whether you bought the Redmi 9A for yourself or gave it to a relative, this guide will help unlock the full potential of the device, and if you’re already a seasoned user, you may find some useful life hacks here that you didn’t know about before.

First Entry and Initial Setup

When you first turn on the Xiaomi Redmi 9A, you have the MIUI customizator, which takes no more than 5-7 minutes, but what you do at this point is what you do to keep the phone running.

• 🌍 Select the interface language. English is usually the default language, but there's Russian on the list.
• 📶 Connect to Wi-Fi. This is important for downloading the latest updates and syncing your account.
• 🔑 Sign in to Mi Account or skip this step. If you already have a Xiaomi account (for example, from another device), it is better to log in - this will give access to cloud storage and additional features.
• 📱 Transfer data from your old phone (optional) If you had another Android smartphone, you can use the Mi Mover feature to transfer contacts, photos and apps.

Once the setup wizard is complete, the phone will offer you to install the recommended applications from Xiaomi. It is important not to rush here: many of them (for example, Mi Browser or Mi Video) duplicate the functions of standard Google services and can take up extra space. You can always install them later through Google Play.

⚠️ Note: If you missed creating a Mi Account when you first turned on, you can add it to Settings → Accounts. → Without it, you won’t be able to use Xiaomi’s branded services like Find Device or Mi Cloud).

Once you have completed the setup, check if the latest system updates are installed. To do this, go to Settings → About Phone → System Update. Redmi 9A runs Android 10 with a MIUI 12 shell, but Xiaomi regularly releases security and optimization patches.

Managing gestures and buttons

The Redmi 9A supports two navigation modes: the classic buttons (Back, Home, Recent) and gesture control. The default buttons are on, but many users prefer gestures as a more modern and convenient option.

1. Open Settings → Display → Full-screen mode.
2. Select Gesture Control.
3. Check out the tips on the screen and confirm the choice.

The main gestures in MIUI:

• 👆 Move up from the bottom edge – return to the main screen.
• 👆 Swipe up and hold your finger – open the multitasking menu.
• 👈 Go from left to right, go back.

If gestures seem uncomfortable, you can return the buttons in the same menu. Also in Settings → Additional settings → Power button can be adjusted by double pressing the power button (for example, starting a camera or flashlight).

💡

If you drop your phone frequently, turn on the wake-up function in Settings → Display → Screen lock. Now the screen will light up when the device is lifted, and you will not have to press the power button.

Another useful feature is the One-Hand Mode, which reduces the size of the interface to reach the top of the screen with your thumb, activates with a double tap on the Home button (if you use buttons) or a gesture (if you use gestures), and adjusts to Settings → Additional settings → One-Hand Mode.

Optimizing performance and cleaning memory

The Redmi 9A is equipped with a MediaTek Helio G25 processor and 2-3 GB of RAM (depending on the modification). For a budget phone, this is enough, but over time the device can start to “brake” due to filled memory or background activity of applications.

• 🧹 Clean the cache regularly. Go to Settings for this. → Warehouse → Clean up and click Clear.This will delete temporary files that take up space.
• 🗑️ Remove unnecessary apps. Many pre-installed programs (such as Mi Music or Mi Pay) can be deactivated in Settings. → Annexes → Application management.
• 🔄 In the same Warehouse menu, activate Auto Cleanup so that the system deletes unnecessary files.

If the phone is slowing down, try turning off the animation interface.

1. Activate Developer Mode: Go to Settings → About Phone and click on MIUI Version 7 times.
2. Return to Settings → Additional settings → For developers.
3. Find the items Window animation scale, transition animation scale and animation duration – set the value off.

⚠️ Note: Not all Google Play apps are optimized for budget smartphones. If your phone is slower after installing a new program, check it in Settings. → Annexes → Permissions: Some applications (especially games) may consume too much resources in the background.

You should also look at the Battery and Performance section in the settings, and you can turn on Charge Saving mode, which limits background activity and extends the time you can run without recharging. However, in this mode, some notifications may come with a delay.

Camera setup: how to make high-quality photos

Redmi camera 9A — it 13-megapixel main module with aperture f/2.2 and LED-It's a good performance for its price segment, but to get the best shot quality, you have to set the settings right.

Open the Camera app and pay attention to the following features:

• 📸 Regime. HDR — Improves detail in contrast lighting (e.g., against the sun) and taps on the icon at the top of the menu.
• 🌙 Night mode is useful when shooting at night. Use it actively, but remember that for good results, you need to keep your phone as still as possible.
• 🔍 Manual focusing – if autofocus fails, tap the screen in the area you need to sharpen.
• 🎭 Portrait mode blurs the background, but works only when shooting people at a distance of 1-2 meters.

To improve video quality, it is recommended to reduce the resolution to Full HD (1080p) instead of 4K, if available, which will reduce the load on the processor and reduce the likelihood of "lags" when recording, resolution settings are located in the camera menu (cog in the upper right corner).

If the photos are too dark or light, try manually adjusting the exposure. To do this, tap the screen at the focus point and swipe up (increase brightness) or down (decrease brightness), and you can also use third-party applications for shooting, such as Google Camera (if you find a compatible version for Redmi 9A).

Internet connection and mobile network setting

Redmi 9A supportive 4G LTE, But for the mobile Internet to work properly, you need to adjust the settings correctly. SIM-The internet is not working, follow the following steps:

1. Make sure mobile data is turned on: swipe from top to bottom to open the notification bar, and check the Mobile Data icon.
2. Go to Settings. → SIM-maps and mobile networks → [yours SIM-map] → Access points (APN).
3. If the APN list is empty, click Add and enter your carrier’s options (they can be found on the official website or by calling support).

If the internet speed is low, try manually selecting the following network:

• 📡 Go to Settings. → SIM-maps and mobile networks → Preferred type of network.
• 🔄 Select Only. LTE (if available, or 3G/4G (motor-car).
• 🔄 If the signal is weak, try to turn off VoLTE (voice through) LTE) same-menu.

To save traffic, include Save Data in Settings → Connections and Sharing → Save Data. This will limit the background activity of applications. You can also set a limit on mobile traffic to avoid unexpected costs.

⚠️ Note: If you are traveling abroad, turn off automatic roaming in the settings SIM-Maps to avoid high costs. It's also helpful to download offline maps in Google Maps in advance.

Increased battery life

The Redmi 9A has a 5,000 mAh battery that provides up to 2 days of moderate use, but if you're using the Internet, games or a navigator, you can use it faster.

• 🔋 Enable battery saving mode in Settings → Battery and productivity → Battery mode. Select Charge Saving or Super Savings (limits background activity).
• 🌙 Use a dark theme. In Settings → Display. → You can turn on a dark topic constantly or on a schedule. AMOLED-This reduces the power consumption of the screen, but in Redmi 9A fixed IPS-The display will be minimal, so the effect will be minimal.
• 📵 Turn off Wi-Fi, Bluetooth and GPS, These modules are charging even in the background.
• 🔄 Reduce screen waiting time. c Settings → Display. → Setting a minimum value after sleep (for example, 15 seconds).

To find out which apps are using up the most power, go to Settings → Battery & Performance → Battery Use. Here's the statistics for the last 24 hours. If an application consumes too much power, limit its background activity:

1. Go to Settings → Applications → Application Management.
2. Select the problem app.
3. Press the Battery and set a Background activity limit.

Important: If the battery starts to run out too quickly (for example, 4-5 hours in normal use), this may indicate battery wear or background malware activity.

💡

The most effective way to save charge is to disable automatic data synchronization in the background. This can be done in the settings of each application individually or globally in Settings → Accounts → Autosynchronization of data.

Resetting and troubleshooting

If the Redmi 9A is unstable (often restarting, slowing down, or giving out errors), you may need to reset to factory settings.This procedure will delete all data from the phone, so make a backup copy first:

• 📱 Save your contacts in a Google Account or export them to a file VCF.
• 🖼️ Transfer photos and videos to your computer or to the cloud (Google Photos or Mi Cloud).
• 📝 Take a photo or take a note of important passwords and notes.

To perform the discharge:

1. Go to Settings → About the phone → Reset settings.
2. Choose to erase all data.
3. Confirm the action by entering PIN-code.

If the phone doesn’t turn on or is stuck on the logo, try a hard reset:

1. Turn off the device (if it doesn’t respond, press the power button for 10-15 seconds).
2. Press and hold the Power + Volume buttons up until the Mi logo appears.
3. From the Recovery menu, select Wipe Data (use volume buttons for navigation and power button for confirmation).
4. Confirm the reset by selecting Yes.

⚠️ Note: If after a reset, the phone requires you to enter the details of the Mi Account that was previously linked and you do not remember it, this can become a problem. Xiaomi blocks devices after the reset if they were associated with the account (Mi Cloud Lock feature). In this case, you will have to restore access to the account or contact Xiaomi with proof of purchase.

If the reset didn't work, it might be a software problem, and in this case, you can try to flash your phone over Fastboot or Recovery, but that takes experience. For beginners, you'd better go to a service center.

FAQ: Answers to Frequent Questions