The Xiaomi Redmi 7A, despite its venerable age and modest performance by modern standards, is still a reliable “working tool” for millions of users. However, over time, even the most enduring budget device begins to experience difficulties: the interface slows down, applications open longer, and free space in memory disappears at an alarming rate, a natural process associated with the accumulation of junk files and updating the standards of mobile applications that require more and more resources.
Fortunately, the situation is not critical and does not require immediate replacement of the device. Competent software optimization can give your gadget a second wind. In this article, we will discuss in detail how to free up the resources of the Snapdragon 439 processor, configure the MIUI shell for maximum performance and avoid common errors that kill the speed of the system.
Before you go to radical measures like resetting, try a comprehensive approach to cleaning and fine-tuning. Many of the features that seem useful by default actually consume precious 2 or 3GB of RAM. We'll show you which services to turn off and which animation settings to change to visually speed up the response of the screen.
Deep cleaning of memory and storage
The first and most important step in optimizing any Android device is to free up internal storage. When memory is over 85-90%, the file system starts to run much slower, causing lags throughout the system. Owners of Redmi 7A with a base 16 or 32 GB version need to be especially careful about this setting.
Xiaomi’s standard security app does a good job of cache surface cleaning, but deep cleaning requires a manual approach. Go to Settings → Memory and analyze which apps take up the most space. It often turns out that instant messengers like Telegram or WhatsApp have been accumulating gigabytes of media files for years that you no longer need.
Pay special attention to the Downloads folder and hidden social media folders. Deleting old APK installation files that are left over from the software update can instantly free up several hundred megabytes. It’s also worth clearing the browser cache, which often grows to incredible sizes with active surfing.
⚠️ Note: Do not delete files from Android system folders unless you are 100% sure of their purpose. Deleting critical files can lead to system malfunction or loss of application data.
To manage space more efficiently, you can use the built-in analysis tool. Go to Settings → Memory → Cleanup and select Deep Cleanup. The system will suggest removing duplicate photos, large files and rarely used applications.
Customization of the interface and animations MIUI
The visual aspect of the MIUI shell often causes the device to appear slow. Beautiful screen transitions and blur effects require GPU resources, which the Redmi 7A does not have much, and turning off or reducing these effects is one of the most effective ways to speed up the system's response.
To access hidden settings, activate the developer mode. Click seven times in a row on the build number in the About Phone section until the notification “You became a developer” appears. Then a new option will appear in the settings menu Additional → For developers.
Inside the developer menu, find the section that scales animations. You'll need three options: Windows animation, transition animation, and animation duration. Change the value from the standard "1x" to "0.5x" or completely disable animation ("No animation"), which will make switching between applications instantaneous.
It’s also worth disabling Memory Extension if it’s available in your version of MIUI. While the idea of using a portion of the storage as RAM sounds appealing, on low-cost processors and slow eMMC 5.1 drives, it often backfires—the system starts to run slower due to the low read speed of virtual memory.
Management of background processes and batteries
One of the biggest problems with budget smartphones is the aggressive behavior of background apps, with social media, news aggregators and stores constantly trying to update their content by using up battery power and loading the processor, and controlling these processes is key to the stable operation of the Redmi 7A.
In the battery settings for each application, you can set a background activity limit. Go to Settings → Battery → Charge Consumption, select a heavy app (like Facebook or Instagram), and set the “Limit Background Activity” or “No Background Processes” mode, which will keep the program from working when you are not using it.
Another important aspect is to disable unnecessary system services. System Application Advertising (MSA) consumes resources. To disable it, go to Settings → Passwords & Security → Access to Personal Data and disable access to the msa application. After that, the phone will suggest waiting 10 seconds — agree and disable.
- 🔋 Turn off Adaptive Brightness if it is often mistaken and manually set the brightness to save energy.
- 📡 Remove weather and news widgets from your desktop – they are constantly updated over the network and load the processor.
- 🔔 Limit notifications from games and stores, leaving only important messages from instant messengers.
☑️ Checklist on background processes
Optimizing network and connections
The speed of a smartphone depends on the quality of the network connection. If the communication module constantly searches for the network or switches between 3G/4G standards, this puts a strain on the system and heats the device. For owners of Xiaomi Redmi 7A, setting up the preferred type of network is relevant.
If your area has coverage 4G And if you're not stable, the phone will be constantly jumping between communication standards, which will quickly land the battery. 3G. This can be done through the engineering menu or in the settings. SIM-maps: Settings → SIM-maps and mobile networks → Preferred type of network.
Also pay attention to Wi-Fi settings. Turn on the “Use Wi-Fi even in sleep mode” function only if notifications are critical to you. Otherwise, turning off Wi-Fi in sleep mode will help to save charge when you are out of range of the router.
To extend battery life and reduce the load on the radio module, turn off the search for devices nearby. This feature constantly scans the air for available gadgets. Disconnection path: Settings → Connections and Sharing → Connection and Transmission → Device Search (Switch off).
| Parameter | Recommended value | Impact on the system |
|---|---|---|
| Type of network | LTE (or 3G for poor signal) is preferred. | Stability of the connection, reduction of heating |
| Background processes | No more than 2-3 active | Freeing RAM, increasing the working time |
| Synchronization | Only on Wi-Fi. | Savings in traffic and battery charge |
| Bluetooth | Turned off if not in use | Reducing background CPU load |
System update and resetting
The software is the foundation of the smartphone. The outdated version of MIUI may contain optimization errors that have been fixed in the newer (or, conversely, stable older) versions of the firmware. The Redmi 7A is up to date with Android 9 and 10 versions, and it's important to make sure you're using the most stable build.
You can check for updates through Settings → The phone. → System Update: If the official update doesn't come, but the new version is already there, you can use the manual installation method through the_recovery_. Download the current firmware from the official website, rename the file to update.zip and put it in the root of the internal memory. Then, in the update menu, click three dots and select "Select firmware file».
⚠️ Warning: Before manually flashing, make sure to make a full backup of the data.The update process can lead to loss of information if something goes wrong.
If the smartphone is slow even after all the settings and updates, the nuclear method remains – a complete reset to factory settings (Hard Reset), which removes all the accumulated software debris, application conflicts and registry errors.
To reset, go to Settings → About Phone → Settings Reset → Erase All Data. After this procedure, the phone will be like new from the store. For the first 15-20 minutes, it will run slowly while the system indexes files and adjusts the background processes, but then the performance should return to factory performance.
Additional Advice and Hidden Opportunities
There are a number of less obvious settings that can affect the comfort of using the Redmi 7A. For example, turning off the Raise to Wake feature will save battery power and prevent accidental switching on of the screen in your pocket.
Also worth considering the use of "Lite" versions of applications. For weak devices, there are lightweight versions of Facebook Lite, Messenger Lite, Google Go. They take up much less space and consume much less RAM, which is critical for models with 2 GB of RAM.
Remember to reboot your smartphone regularly. Many users stay on their phones for months, causing memory errors and fragmentation of temporary files. A single reboot a week will help the system reset errors and start processes again.
- 📱 Use a dark theme if you have a model with a IPS This will not save much energy, but will reduce the load on the graphical interface.
- 🧹 Regularly (once a month) wipe the charging connector from dust using a wooden toothpick to avoid contact problems.
- 🌡️ Watch the temperature of the case: if the phone is hot, remove the case and close heavy applications.
⚠️ Warning: Do not use the accelerators and Cliners from the Play Market of dubious origin. They are often viruses or miners themselves that only put more stress on the system.