Menus. SIM-Xiaomi maps: hidden features you didn’t use

Have you ever been on the menu? SIM-The cards on your smartphone Xiaomi and wondered why all these mysterious items are needed? Most users are limited to basic mobile network settings, without even knowing that this menu hides tools for diagnosing connections, optimizing Internet speeds, and even solving problems with registration on the network. In this article, we will discuss in detail each function – from obvious to those that are not told even in official instructions.

Xiaomi’s peculiarity is that it leaves users with access to low-level mobile phone settings that are either hidden deep in the engineering menu or blocked altogether on other brands, such as manually selecting a network type (2G/3G/4G/5G), forcibly switching to another operator, or even checking the signal quality in decibels — data that is usually only visible to service center specialists. But how does this work in practice and when can it come in handy?

It’s important to understand that the wrong settings in this menu can both improve communication and completely disrupt it, so we will not only describe each feature, but also give specific recommendations when and how to use it – taking into account the features of MIUI 14/15 firmware and modern communication standards (including VoLTE and 5G SA).

Where to find a menu SIM-Xiaomi maps and how to get there

Unlike the engineering menu (which opens with code ##4636##), the menu is a slate of the menu. SIM-Xiaomi maps are available directly through standard settings, and the path to it may vary slightly depending on the version. MIUI, But the general scheme is:

1. Open the Settings app (cog icon).
2. Go to section. SIM-Maps and mobile networks (or Mobile Network on older versions).
3. Choose the right one. SIM-Card (if you have a two-sim phone).
4. Tapping the Access Point Name (APN) or Additional Settings is where the main menu is hidden.

Some models (e.g. Redmi Note 12 Pro)+ or Xiaomi 13 Ultra, the path can be shorter: just click on the operator name at the top of the mobile network screen. MIUI 15, look for the Management tab. SIM-Maps – all key functions are collected there.

Important! On smartphones with firmware for the Global market (like the Poco X5 Pro), the menu may be called SIM card & mobile network, and on the Chinese version (China ROM) —. If you don’t find the right item, try changing the system language to English — this often makes navigation easier.

Main functions of the menu SIM-maps: what can be set up

Let’s see what each item on the menu is responsible for. SIM-Some of them seem obvious, but they have hidden nuances.

Critical nuance: On smartphones Xiaomi with support for Dual 5G (For example, Xiaomi 14 or Redmi. K60 Pro) an additional Network Priority item appears in the menu, which allows you to distribute 5G between SIM-If you don't set it up correctly, one of the sims could be left without high-speed internet.

How to set up APN for a stable Internet and MMS

Point of access (APN) — one of the most important SIM-Improper settings. APN This can cause the mobile Internet to work slowly or not to connect at all. MMS They won't go. Here's how to set up. APN rightly:

1. Go to Settings. → SIM-maps and mobile networks → [choose SIM] → Access points (APN).
2. If you have any, then remove them (except for the factory).
3. Click Add APN and enter your operator's settings. For most Russian operators, the following settings will be suitable:

Name: MTS Internet


APN: internet.mts.ru




Proxy: Not specified




Port: Not specified




User name: mts




Password: mts




Server: not specified




MMSC: http://mmsc/




MMS- Proxy: 192.168.192.192




MMS- Port: 8080




MCC: 250




MNC: 01




Type of authentication: PAP




Type APN: default,supl,mms

For Beeline and MegaFon, the settings will be different. You can always find the current settings on the operator's website under "Internet settings." After you enter, save the APN and select it from the list.

Make sure the "APN" field is filled in without errors |

Check if the authentication type is “PAP” or “CHAP” |

Remove the old ones. APN, avoiding conflict|

Reboot your smartphone after the changes-->

Tip: If the Internet is not working after setting up the APN, try manually specifying the APN type as default,supl (without mms). Sometimes operators block access to the network if the settings indicate MMS, but the service is not connected.

Manual choice of the operator: when it is necessary and how to do it

By default, Xiaomi’s smartphone automatically connects to the carrier’s available networks, but there are situations when manual network selection is simply necessary:

• 🌍 Roaming: If automatic selection connects you to an expensive partner operator, and there is a cheap local network nearby.
• 📶 Bad signal: When the smartphone clings to a distant, weak-coated tower, though there is a more powerful one nearby.
• 🔄 After shift. SIM: If the smartphone can not identify a new operator (relevant for virtual operators such as Tinkoff Mobile or Yota).

To select the operator manually:

1. Go to Settings. → SIM-maps and mobile networks → [choose SIM] → Network operators.
2. Turn off the option automatically.
3. Wait for the smartphone to find the available networks (it can take up to 30 seconds).
4. Select the operator you want from the list. If the network is not listed, click Network Search again.

⚠️ Note: Some Xiaomi models (e.g. Redmi) 10C) After manual selection of the network, the icon may disappear 4G/LTE. It’s not a mistake – just restart your smartphone and the indicator will come back.

If you travel frequently, keep this instruction: in some countries (such as Turkey or Thailand), local operators are not always automatically identified correctly, and manual selection saves time and money.

Network Diagnostics: How to Check Signal Quality and Resolve Problems

One of the most useful but underrated items on the menu SIM-maps - Network diagnostics (or network information on some models:

• 📊 Signal level in dBm (decibels): the closer the value to -50 dBm, all the better. -110 dBm, the connection will be unstable.
• 📡 Type of network: LTE, WCDMA (3G), GSM (2G) or NR (5G).
• 🔢 Cell ID (Cell) ID): It helps you to know which tower you are connected to.
• 🔄 Status of registration: if it is not registered, SIM-card inactive.

How can we use this data in practice?

1. If the signal is weak (-110 dBm or worse), try moving closer to the window or going outside. Sometimes it helps to force 3G to choose 4G - it passes through walls better.
2. If your smartphone is connected to 2G (GSM) instead of 4G, check your APN settings or contact your carrier – you may not have an internet packet connected.
3. If the registration status is not registered, extract and paste SIM-card back or restart the smartphone.

Hidden functions: forced network type selection and modem modems

On the menu. SIM-Xiaomi cards have features that few people know about, but they can greatly improve communication:

• 🔄 Forced choice 2G/3G/4G: If you're constantly switching between networks, you can lock it into one standard. LTE squash 3G, But it can make calls worse in places with bad 4G-covering.
• 📶 The “Only” regime 5G»: on supported models (Xiaomi) 13T, Redmi K70) It is possible to disable compatibility with 4G, It's good in cities with good quality. 5G-covering.
• 🔌 USB-modem with settings: unlike a standard access point, you can specify APN for a modem separate from the main one, which is useful for some operators.

To enable the forced network mode:

1. Go to Settings. → SIM-maps and mobile networks → [choose SIM] → Type of network.
2. Select the desired standard: 4G only, 3G only or 2G only.
3. Save the settings and restart the smartphone.

⚠️ Attention: On some firmware MIUI after the choice 4G This is because some operators are sending voice calls through the Internet. 3G. The solution is to return the setting to the Auto or enable VoLTE in the call settings.

💡

If the Internet is lost after the network type change, check if the APN settings are lost. Sometimes the smartphone resets them when the communication mode changes.

Frequent Problems and Solutions through the Menu SIM-map

Many problems with communication on Xiaomi are solved through the menu SIM-Here are the most common cases and how to fix them:

If none of these methods worked, try resetting your network settings:

1. Go to Settings. → SIM-maps and mobile networks → Resetting network settings.
2. Confirm the reset. This will delete all stored Wi-Fi networks, passwords and mobile settings.
3. Reboot your smartphone and reset it.

💡

Before resetting the network, be sure to record or photograph the APN settings - after resetting, they will have to be re-entered.

FAQ: Answers to Frequent Menu Questions SIM-maps on Xiaomi