How to enable traffic savings on Xiaomi Redmi 9C: full-length MIUI

Xiaomi Redmi Smartphone 9C — One of the most popular budget devices with a balance of performance and energy efficiency, but its owners often face unexpectedly fast consumption of mobile traffic. Even with minimal use of social networks and instant messengers, gigabytes are melting before our eyes, and mobile operators do not always offer profitable unlimited rates. In this article, we will discuss all ways to save traffic on Redmi. 9C, including standard settings MIUI, Hidden functions and third-party tools.

The problem isn’t always your habits – it’s often the background processes, automatic app updates, or unoptimized mobile network settings that are to blame. We will show you how to disable voracious services, set limits for individual applications, and even use Google’s Data Saver modes, which many Xiaomi users overlook. MIUI "Dual apps that can secretly consume traffic if not configured correctly.

It is important to understand that saving traffic does not mean completely abandoning mobile Internet. 40-60% For example, you can continue to use WhatsApp and Telegram, but background sync will only work on Wi-Fi. And if you travel often or use your smartphone as a modem, we will explain how to avoid leaking megabytes through access points.

Why Redmi? 9C Traffic is so fast: the main reasons

Before we get to the settings, let's figure out what exactly is "eating" your mobile Internet. 9C firmware MIUI 12/13 The main “culprits” of traffic spending:

• 🔄 Auto-update apps via Google Play and MIUI App Store (especially if you have mobile updates enabled).
• 📱 Background activity of messengers (Viber, Telegram, Facebook Messenger), which constantly synchronize data.
• 🌐 System services MIUI, Mi Cloud, Mi Video, Mi Browser, which have mobile internet access by default.
• 📡 Unoptimized mobile network settings (e.g., VoLTE enabled or 4G+ where they are not needed).
• 🔗 Modem/access point mode that can run in the background even if you are not using it.

One study showed that Redmi 9C In the standard configuration, the 150-200 IB per day is just for background processes. 6 GB per month -- a whole plan for many operators -- and it's not just the apps that are to blame, it's the shell. MIUI, which actively uses cloud services to synchronize themes, wallpapers and even recommendations in Mi Browser.

Another common problem is the leakage of traffic through advertising, and many free apps (especially from the Internet) are not available. MIUI App Stores contain aggressive advertising SDK, Later in the article, we'll show you how to block this traffic at the system level.

Method 1: Incorporating a standard traffic saving mode into MIUI

The easiest way to reduce the consumption of mobile Internet is to activate the built-in data saving mode in the mobile network. MIUI. This feature limits the background activity of applications and reduces the quality of media downloads (for example, YouTube or Instagram will automatically select a lower resolution).

To include traffic savings:

1. Open Settings (the gear icon on the main screen).
2. Go to Connections and Sharing → Data Use.
3. Slip on Traffic Saving (or Data Saver in English).
4. Activate the switch at the top of the screen.
5. In the Unlimited Data Access section, select applications that can use the mobile Internet without restrictions (for example, messengers or navigators).

After activation, you will notice that:

• 📉 Background synchronization of applications will work only on Wi-Fi.
• 🎵 Music services (Spotify, Yandex Music) will download tracks in lower quality.
• 📷 In social networks (Instagram, TikTok) videos will be played in resolution 480p instead 720p/1080p.

However, this method has a disadvantage: some applications (for example, Google Maps or Google Maps). 2GIS) They may not work smoothly if they are not given access to mobile data, in which case add them to the exclusion list in paragraph 5 of the instructions above.

Method 2: Limit background traffic for individual applications

If you need more flexibility, you can manually adjust background traffic for each application, which is useful if you want some programs (like Telegram) to run in the background while others (like games) don’t.

Instructions for setting:

1. Go to Settings → Applications → Application Management.
2. Select the app you want to limit traffic to (like Facebook).
3. Use data (or mobile data and Wi-Fi).
4. Turn off the Background Data (or Background Data) option.
5. For a complete restriction, also turn off AutoRun in the same menu.

Pay special attention to the following applications – they most often consume traffic in the background:

Important: Some System Applications MIUI (For example, Mi Cloud or Security, you can't completely disconnect from the mobile Internet, it will lead to errors in the smartphone. Instead, add them to the Data Saver exclusion list, but limit background activity.

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If, after disabling background traffic, the application has stopped sending notifications (for example, VK or OK), check the notification settings in the application itself - you may need to manually allow work in the background.

Method 3: Set up a mobile network for maximum savings

Many users are unaware that mobile network settings directly affect traffic consumption, such as VoLTE enabled. 4G) or 4G+ (Carrier aggregation may increase data consumption by 15-20%. On the Redmi. 9C These settings can be optimized without loss of communication quality.

How to set up a mobile network to save money:

1. Go to Settings. → SIM-maps and mobile networks.
2. Choose yours. SIM-card (if two of them).
3. Tap on the network type (or Preferred network type).
4. Instead of 4G (recommended), select 3G or 2G/3G. This will reduce the speed of the Internet, but reduce the traffic consumption on the Internet. 25-30%.
5. Turn off the VoLTE and ViLTE options if they are available (find them in the same menu).
6. Go back and turn off Automatic Network Selection – manually select the operator to avoid constant network scanning.

Also check the settings. APN (Sometimes operators add parameters to them that cause the phone to sync more often with the servers. APN standard:

1. Go to Settings. → SIM-maps and mobile networks → Access points (APN).
2. Click on the three dots in the top right corner and select Reset to default values.

Method 4: Using Google’s “Data Saver” Mode (Hidden Feature)

Few people know, but on the Redmi. 9C (As with other smartphones with Android 10+) There is a built-in tool from Google that works better than standard traffic savings. MIUI. It’s called Data Saver and hidden in the developer’s settings.

To activate it:

1. Open the Settings. → The phone.
2. Find the MIUI version and tap it 7 times until you become a developer!
3. Go back to the main settings menu and find a new Developer options section.
4. Scroll down and turn on the Data Saver option.
5. Click on Unlimited Data Access and add only critical applications (e.g. Google Maps or Yandex.Navigator) to the exceptions.

Google’s Data Saver Benefits Over Standard Mode MIUI:

• 🛡️ More stringent background traffic restriction (blocks even system updates).
• 📊 Detailed data consumption statistics for each application with the possibility of blocking.
• 🔧 It works at the Android level, not the shell, so it is more effective for applications that are not optimized for the environment. MIUI.

Please note: after activating this mode, some features (for example, push notifications in the mode) VK Or Instagram) may come late. To avoid this, add the right apps to the exceptions.

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Google’s Data Saver mode blocks background activity even for apps that ignore the savings settings. MIUI (For example, some banking applications or games).

Method 5: Blocking Ads and Trackers at System Level

Up to 30% of mobile traffic on Redmi 9C It can go to download ads and analytics. Even if you don't use a browser, many apps (including system apps) send statistics to Xiaomi servers, Google, and ad networks. To stop this, you can use a built-in traffic blocker in your browser. MIUI.

Instructions for blocking unnecessary connections:

1. Go to Settings → Connections and Sharing → Data Use.
2. Tap on Data Use SIM-cards (select yours) SIM).
3. Scroll down and press Background Restrict (or Restrict background).
4. Enable the option to limit background traffic for all unnecessary applications.
5. To block ads completely, install the Blokada app (does not require root) or activate Private. DNS in the network settings (address: dns.adguard.com).

We also recommend that you disable personalized advertising on Google services and MIUI:

1. For Google: Settings → Google → Managing a Google Account → Data and personalization → Advertising settings → Turn off personalized advertising.
2. For MIUI: Settings → Confidentiality → Advertising → Personalized recommendations → turn off the slider.

After these actions, you will notice that:

• 🚫 Banners in system applications (Mi Browser, Mi Video) will disappear).
• 📉 Traffic consumption will decrease by 15-25% By blocking analytical requests.
• ⚡ Increased battery life (less background processes).

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If push notifications in some apps have stopped working after blocking ads, check if Blokada or Private is blocking them. DNS Notification servers (e.g. firebasio.com for Google services).

Method 6: Optimize traffic when using the access point (modem mode)

Many Redmi users 9C They use their smartphone as a modem to distribute the Internet to a laptop or tablet, and in this case, traffic is consumed even faster, especially if the connected devices automatically download updates or sync data.

How to limit traffic in modem modem mode:

1. Open Settings → Connections and Sharing → Modem Modem.
2. Activate the Wi-Fi Access Point and tap on the Access Point Settings.
3. Set Max. the number of connected devices: 1 (unless you need to connect several gadgets).
4. Turn on the option to Disable in the absence of devices (so that the access point does not work idle).
5. Go back and enable Traffic Savings for the Access Point (if this option is available in your version) MIUI).

Also, set up connected devices:

• 💻 On Windows: Open the settings → Network and Internet → Wi-Fi → Manage known networks, select your access point and enable Task as a limit connection.
• 📱 Nana Android/iOS: In Wi-Fi settings, mark your network as Limited Connection (or Low Data Mode on your iPhone).

If you share the Internet frequently, install the NetGuard app (no root required) and set up traffic blocking rules for connected devices, such as preventing automatic downloads of Windows or macOS updates over a mobile network.

More tips: how to save even more traffic

In addition to the basic ways, there are several hidden chips that will help reduce the cost of mobile Internet on Redmi. 9C:

• 📥 Turn off automatic media download in messengers: WhatsApp: Settings → Warehouse and data → Autoboot media → Select only by Wi-Fi. Telegram: Settings → Data and memory → Autoboot media → disconnect for mobile network.
• 🎵 Download music and videos in advance over Wi-Fi: On YouTube, use Save offline (available on YouTube Premium). On Spotify or Yandex Music, download playlists via Wi-Fi.
• 🗺️ Use offline maps: In Google Maps: download a map of your city through Offline Maps. 2GIS Yandex.Maps also has an offline mode.
• 🔄 Update apps only over Wi-Fi: In Google Play: Settings → Auto-update of applications → Only through Wi-Fi. MIUI App Store: Settings → Auto-update → Only Wi-Fi.

Another useful trick is to use traffic compression through the Google Chrome browser or Opera Mini:

1. In Chrome: Open Settings → Save traffic and enable the option.
2. In Opera Mini, traffic compression is enabled by default.

This will reduce data consumption when browsing the web 30-50%.

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If you travel frequently, install the TripMode (Android) app, which blocks background traffic for all apps except those you choose, and shows real-time consumption.

FAQ: Frequent questions about traffic savings on Redmi 9C