Have you ever noticed the mysterious “unlimited mobile internet” option in Xiaomi’s settings and wondered what it really means? At first glance, it seems like a magic button that will make traffic unlimited — but the reality is more complicated as usual. This feature often causes confusion among users, especially when it comes to limited gigabytes or roaming rates.
In this article, we will discuss in detail what is hidden behind the term “unlimited mobile Internet” in MIUI firmware, how this option interacts with the operator’s settings, and why activating it does not always have the expected effect. You will also learn which Xiaomi models (from Redmi Note 12 to Xiaomi 14 Ultra) support this feature, and how to avoid unexpected charges from the account due to incorrect settings.
What does “unlimited mobile internet” really mean in Xiaomi?
Control point Settings → SIM-maps and mobile networks → [Yours. SIM] → Unlimited mobile Internet is not a magic option for circumventing data plans, but a tool for managing the behavior of the system when working with mobile traffic. MIUI, The current connection does not have strict limits on the amount of data.
When the option is turned on, the smartphone:
- 🎥 Allows streaming of high-resolution video (for example, on YouTube or Netflix without forced quality reduction).
However, this does not change the restrictions of your mobile operator: if you have a tariff with 10 GB of traffic, then after they are exhausted, the speed will still fall to the “turtle” (usually 64-128 Kbps), despite the activated option, the function simply tells the system: “Don’t prevent applications from using mobile Internet as if it were Wi-Fi.”
How to turn on and off unlimited mobile internet
The activation algorithm is the same for most Xiaomi smartphones on MIUI 12-14, but may vary slightly depending on the firmware version.
- Open the settings (cog icon on the desktop).
- Go to section. SIM-maps and mobile networks.
- Choose your active one SIM-card (if there are several).
- Find the Unlimited Mobile Internet and move the slider to the right.
- Confirm the action if there is a warning about a possible increase in traffic consumption.
To disable the function, repeat the same steps by moving the slider to the left. Note: on some models (for example, POCO F5 or Redmi 12), this item may be in the submenu of Mobile Network Settings → Additional.
Make sure the tariff is unlimited.|Check the balance of the account|Disable auto-update heavy applications (games, social networks)|Set up background traffic restriction for individual applications-->
⚠️ Note: If you have roaming, enabling this option can lead to uncontrolled spending. Some operators (for example, MegaFon or Beeline) in roaming charge traffic at higher rates, even if you have unlimited data on your home network.
Myths and Reality: What the Function Does Not Do
The Round around “unlimited mobile internet” in Xiaomi has created a lot of misconceptions.
| Myth | Reality. |
|---|---|
| 🚀 «Once turned on, the traffic will become truly unlimited» | ❌ The function only removes the program constraints. MIUI, It does not affect the operator's tariff. |
| 📵 «The option only works with certain SIM-map» | ❌ Works with anyone. SIM, But the effect depends on the tariff. For example, with Tele2, "My unlimited" it won't make a difference. |
| 🔋 «Turning on the function drains the battery faster» | ⚠️ Indirectly yes: if apps start to use the mobile network more actively, energy consumption will increase. |
| 🌍 «The function is automatically disabled in roaming» | ❌ No, it's still active, which can be a budget risk. |
Another common misconception is that the option increases internet speed, and it doesn't actually affect the 4G/5G network settings that are determined by the operator and the coverage in your location.
Why don’t the operators block this function?
When should you really include this option?
Despite its limited utility, there are scenarios where activation of the “unlimited mobile internet” is warranted:
- 📶 A truly unlimited rate (for example, MTS “All over 900” or Yota “Limitless”), where the option will allow you to use your smartphone to the fullest without fear of artificial restrictions. MIUI.
- 🏠 No Wi-Fi at home/work, but good coverage 4G/5G. In this case, the smartphone will work as if connected to a wireless network.
- 🎮 Games and streaming: if you play in PUBG Mobile or watch Twitch on the go, feature will prevent lags due to background traffic savings.
- ⚡ Network Speed Testing: Some applications (such as Speedtest) may show understated results if they are not MIUI restricts their access to the network.
⚠️ Note: If you use two of these SIM-Card smartphone (for example, Xiaomi) 13T Or the Redmi Note 12 Pro.+), switching on SIM It automatically disables it for the second card, which can lead to an unexpected consumption of traffic from the "not" card.
Hidden Risks: How Not to Lose Money
The main danger of the function is uncontrolled traffic consumption, especially in three cases:
- Roaming: even if you have unlimited at home, in another country, the tariff can be perkilobyte (for example, 10 rubles / MB at Beeline).
- Background Updates: Apps like Google Play or Mi App Store can download gigabytes of updates without warning.
- Autoplay video in social networks (TikTok, Instagram) or instant messengers (Telegram, VKontakte).
To avoid any trouble:
- 🔍 Regularly check the traffic flow in the operator’s application or in Settings → Transfer of data → Using mobile traffic.
- 🚫 Turn off auto-update applications via mobile network: Settings → Annexes → Auto-update → Only through Wi-Fi.
- 📊 Set up warnings about exceeding the limit in MIUI: Settings → Transfer of data → Prevention and limitation.
💡
If you travel frequently, create a separate profile in Settings → SIM-maps and mobile networks → Data profiles with “unlimited internet” disabled specifically for roaming.
The difference between Xiaomi models: who supports the function
The unlimited mobile internet feature is available on most Xiaomi smartphones running MIUI 11 and newer, but there are nuances:
| Series/model | Support for the function | Features |
|---|---|---|
| Xiaomi 12/13/14 | ✅ Yes. | The menu item may be called “Unlimited tariff” (translational nuance). |
| Redmi Note 10–12 | ✅ Yes. | Some firmware requires a reboot after changing the settings. |
| POCO F3–F5 | ✅ Yes. | In POCO Launcher, the path to settings may be different. |
| Xiaomi Mi A1–A3 (Android One) | ❌ No. | Pure Android without branded MIUI features. |
| Black Shark 4/5 | ⚠️ Partially. | The feature is there, but it can conflict with the game modes of the network. |
On global firmware devices (such as Xiaomi EU ROM), the option name may sound like Unlimited data usage, but the point remains the same. If you don't find this item on the menu, check the MIUI version in Settings → About Phone and update the firmware if necessary.
💡
On smartphones with two SIM-cards (Dual) SIM) The “unlimited internet” function is linked to a specific SIM It does not automatically apply to the second.
Alternative ways to manage mobile traffic in MIUI
If unlimited mobile internet doesn’t solve your problem, MIUI has other tools to control your data consumption.
- 📊 Background Traffic Limitation: Settings → Annexes → Application management → [Select the application] → Data data → Background traffic.
- 🛑 Blocking mobile internet for individual applications: same path, but optional “Block the use of mobile data».
- 🔄 Automatic switching to Wi-Fi: Settings → Wi-Fi → Additionally. → Autoconnect to open networks (caution: not secure!).
- 📱 Traffic Saving Mode: Settings → Battery and performance → Traffic saving regime.
For advanced users, there is another way to manually edit APNs, for example, if an operator only provides unlimited traffic to certain APNs (such as Internet.yota), you can create a separate profile:
Name: Yota Bezlimit
APN: internet.yota
Type APN: default,supl
Protocol: IPv4/IPv6⚠️ Attention: Incorrect settings APN Before changing, save the current configuration or check the parameters on the operator's website.