Xiaomi Redmi 9C is a popular budget device with 4G support, but a limited tariff plan or weak network signal can quickly exhaust mobile traffic. Traffic savings on this model allows you to reduce Internet consumption by 30-50% without loss of functionality. Unlike flagships, where the mode is included in two clicks, the Redmi 9C requires fine-tuning due to the features of the shell MIUI 12 (or later versions).
Many users face a problem: even when the background data is turned off, applications continue to eat megabytes, this is due to hidden updates, in-game advertising and automatic synchronization. In this article, we will analyze all the ways to save money, from standard functions to hidden developer settings, and you will learn how to track voracious applications and block their access to the network.
If you are using Redmi 9C two-way SIM-It's important to understand that savings settings are applied separately for each card. SIM The other one is for the Internet, but the other one is that when you switch between cards, you can get rid of some of the restrictions.
Why Redmi 9C is fast consuming traffic: the main reasons
Smartphone based on MediaTek Helio G35 It's optimized for energy efficiency, but not for mobile Internet.-5 cause of overexpenditure:
- 🔄 Auto-update apps in Google Play and Mi App Store. Even if you have disabled this feature, some system applications (such as com.miui.system) are updated in the background.
- 📱 Background activity of messengers (WhatsApp, Telegram) and social networks, they consume up to 200 MB per day for synchronizing chats and downloading media.
- 🎮 Advertising in games and applications. Free games (e.g. Free Fire or Free Fire) PUBG Mobile: Upload banners even when you’re not playing.
- 🔄 Account sync (Google, Mi Account, Mail.ru) Every hour, the device checks new emails, calendar events and backups.
- 📡 Weak network signal. With poor coverage, the smartphone is constantly reconnected to the base station, which increases the traffic consumption of the device. 15-25%.
Another feature of Redmi 9C is that it has an IPv6 problem, and in some regions, when it is activated, traffic is consumed 1.5 times faster, and you can check its status in the developer settings (for more on this in one of the following sections).
Interesting fact: in tests with IPv6 disabled and limited background traffic, Redmi 9C consumed only 120 MB per day with active use of instant messengers. Without optimization, this figure reached 450 MB.
📊 What is the rate you use on Redmi? 9C?
Unlimited Internet
Limited traffic (1-5 GB)
Limited traffic (5-15 GB)
Wi-Fi only, mobile internet is not used
Standard Traffic Saving Mode: Where to Turn on and How to Work
The easiest way to cut costs is to activate the built-in saving feature, which is hidden deeper than on new Xiaomi models on the Redmi 9C, but works more efficiently.
Step-by-step:
- Open Settings (the gear icon on the main screen).
- Go to Connections and Sharing → Data Use.
- Slip on Traffic Saving (may be called Background Limitation in some versions of MIUI).
- Activate the Data Savings switch.
- In the list below, select the apps you want to block background traffic for (it is recommended to disable games and social networks).
After activation, the system:
- 🚫 Prohibits background data loading for selected applications.
- 📉 Limits the speed of downloading media in instant messengers (photos and videos will be loaded only over Wi-Fi or manually requesting the service).
- ⏳ Disables automatic sync for Google Account and Mi Account.
Important! In saving mode, some features may be slower, such as notifications in Telegram will arrive with a delay of up to 5 minutes, and maps in Google Maps will only load when zooming.
Hidden Settings: How to Turn Off IPv6 and Cut Your Cost by 30%
As mentioned earlier, IPv6 can increase traffic consumption on Redmi 9C. This is due to the peculiarities of MediaTek Helio G35 and some Russian operators (for example, Tele2 or Iota), it can only be turned off through the developer menu.
Instructions for deactivating IPv6:
- Activate Developer Mode: Go to Settings → About Phone and tap on MIUI Version 7 times.
- Go back to the main settings menu and open a new section for developers.
- Scroll down to the Network block and find the Mobile Data Transfer item.
- Select IPv4/IPv6 and set the IPv4 value only.
- Restart the device to apply the changes.
After you turn off IPv6, check your traffic in 2-3 days. In the MegaFon Redmi 9C, you saved 28 percent over the week.
⚠️ Note: On some sites (such as YouTube or VK) switched off IPv6 You may have a connection error. If you encounter this problem, return the settings to their original state.
For maximum effect, combine IPv6 shutdown with background traffic restriction (described in the next section).
What is IPv6 and why does it affect traffic?
IPv6 — It was a new version of the Internet protocol that was supposed to solve the problem of scarcity. IP-However, on budget smartphones (including Redmi). 9C) The device sends duplicate data packets via both protocols (IPv4 and IPv6), And that's what's causing the overruns. Operators like Beeline or MTS are gradually moving to the overruns. IPv6, But it's not stable yet. "" Manually set the restrictions for applications: locking the most "gluttonous" Even in saving mode, some applications continue to consume traffic. 9C You can completely block access to the mobile network for individual programs. This is true for games, streaming services and social networks. How to block traffic for a particular application: Go to Settings → Connections and sharing → Use data. Tape the traffic flow chart (at the top of the screen). In the list of applications, select the one you want to restrict (for example, TikTok or Wildberries). Activate the switch to Stop background traffic. To fully block (including active use), click Limit mobile data. In the table below - top-5 The most common applications that consume traffic on Redmi 9C, Recommended settings for them: Average daily consumption (MB) YouTube Recommended Limitations 300-800 Block background traffic + limit the quality of the video to 480p in the app settings. TikTok 250-500 Complete lock of mobile data (allow only via Wi-Fi). Google Play Store 50-150 Disable auto-update applications in the settings of the Play Store. 100-300 Block background traffic + disable autoplay of video in tape. Google Chrome 80-200 Enable Traffic Saving Mode in Browser Settings. For convenience, you can create a whitelist of applications that are allowed unlimited traffic, such as leaving WhatsApp (for calls) and 2GIS (for navigation) unlimited, and you can do this in the same Data Use section by clicking on three dots in the upper right corner and selecting Unlimited Access. ⚠️ Note: If you are using Redmi 9C two-way SIM-The restrictions are applied separately for each network. SIM-Maps (for example, from MTS to MegaFon) will have to be configured again. Optimization of the browser and messengers: hidden chips Even with the traffic savings on, browsers and messengers can consume extra megabytes. 9C there are ways to reduce their appetite without losing functionality.Settings for Google Chrome: 🌐 Turn on Traffic Saving Mode: Open the browser menu → Settings → Traffic savings. This will compress the pages on Google servers before loading. 📵 Disable page preloading: in the same settings, find Preloading pages and deactivate it. 🔍 Use mobile versions of sites: bookmark addresses such as m.youtube.com or m.vk.com. Settings for Telegram and WhatsApp: 📥 Turn off autoload media: in Telegram go to Settings → Data and memory → Autoload Media and Choose Never for Mobile Network. 🎵 On WhatsApp, turn off autoloading photos/video: Settings → Warehouse and data → Autoboot media → uncheck the boxes with Photo, Audio and Video. 🔔 Turn off “status” and stories: WhatsApp does this in Settings → Confidentiality → Status (set Nobody). On Redmi. 9C s MIUI 12.5 and later there is a bug: when turned on VPN The browser's traffic saving mode may not work. To fix this, turn it off. VPN Update Chrome to the latest version. For fans of social networks it is useful to know: in Vkontakte and Instagram you can turn off autoplay video. VK This is done in the settings → General. → Autoplay (select Wi-Fi Only). On Instagram, the path is: Profile → Settings → Account. → Use of mobile data. 💡Even with the autoload disabled, media messengers continue to spend traffic sending statistics and synchronizing chats, and you can only completely block them through the Android settings (Use of Data section). Disabling adverts and synchronizing Ads in games and apps can "eat" up to 100MB per day. 9C It can be blocked without root rights with built-in tools. MIUI: Go to Settings. → Annexes → App management. Tap three dots in the top right corner and select Show System Processes. Find the Msa app (Miui System Ads) and turn it off (disable button). Similarly, turn off Analytics (responsible for collecting statistics: 🔄 For Google Account: Settings → Accounts and synchronization → Google → uncheck all items except Contact (if you need them). 📱 For Mi Account: Settings → Accounts and synchronization → Mi Account → Turn off data sync. Another hidden source of consumption is the weather widget. It updates data every 30 minutes, using up to 50MB per day, by default. To fix this, hold your finger on the weather widget on the home screen. Select the widget settings. Set the Manual Update interval or every 12 hours. if you use Redmi 9C For navigation, disable the Traffic Display function in Google Maps or Yandex.Maps. It constantly downloads traffic data, consuming up to 20 MB / hour. Effectiveness check: how to track traffic flow To see if the changes you make help, you need to monitor traffic flow in dynamics. 9C There are built-in tools for this, but they're not always accurate. You'd better use a combination of system and third-party methods: 📊 Built-in monitoring MIUI: Settings → Connections and sharing → Data usage: This shows the current month's consumption, but the data is reset when the device is restarted. 📱 My MTS/MegaFon Personal Account: Install your operator’s official app, which shows the exact fare expense, including hidden connections (e.g. roaming). 🛡️ Third-party apps: My Data Manager or GlassWire track real-time traffic and show which apps are active right now. For maximum accuracy, set up the notifications about exceeding the limit: → Connections and sharing → Use data click on three dots → Warning and limitation: Set a threshold (e.g. 1GB) and activate notifications. Enable Automatically Turn Off Mobile Data when you reach a limit. Compare the consumption before and after optimization. On average, after applying all the tips from the Redmi article, users 9C Savings from 300 MB to 1.5 GB per day (depending on activity). ⚠️ Warning: If you still use traffic too quickly after all the settings, check your device for viruses. Some malware (such as Trojan.AndroidOS.Hiddad) masquerade as system processes and steal traffic to display ads or mine cryptocurrency. FAQ: Frequently Asked Questions: Can You Turn on Traffic Savings for Only One? SIM-map? Yes, on Redmi. 9C The savings are applied separately for each SIM. Go to Settings. → Connections → Using data, select the desired SIM-map in the top menu and set the limits. MIUI Is the savings settings reset? That's a famous Redmi problem. 9C prior MIUI 13+. Once you install the firmware, the system resets user restrictions for the applications. To avoid this, back up the settings in Settings before upgrading. → Additionally. → Backup and reset: How to completely disable mobile internet for all applications except the browser? First, block mobile data for all applications in Settings → Use data. Then open your browser settings (e.g. Chrome) and in the Network section, allow mobile data to be used only for it. Traffic savings affect Internet speed? Yes, but not much. In saving mode, download speeds can drop by 10-15%, But it's almost invisible when you browse sites or use instant messengers, but background processes (like updating apps) will be slower, which saves you money. Can you customize traffic savings for a specific time (like only during the day)? 9C But you can use the Tasker app (requires root rights) or MacroDroid to automatically turn on/off schedule savings.