How to set up mobile Internet on Xiaomi Redmi: from APN to 5G

Mobile Internet on Xiaomi Redmi smartphones is usually set up automatically when installed SIM-maps, but sometimes users have problems: no connection, slow speed or no network is determined. APN This article will discuss all the ways of manual adjustment. 4G/5G, Checking parameters and eliminating typical errors.

Redmi’s feature is that even budget models (e.g. Redmi 10A or Redmi 12C) support modern communication standards, but to work properly requires you to configure the access point (APN), select network priority and sometimes update the firmware. We will look at universal solutions that work on all versions of MIUI (12 to 14), and also pay attention to the specifics of different operators – MTS, Beeline, MegaFon and Tele2.

Preparation: verification SIM-maps and networks

Before you set up the internet, make sure the problem isn't hardware restrictions or tariff related.

• 📱 Compatibility SIM-cards: Redmi supports nano-SIM (Redmi Note 11 and later also eSIM). If you use an adapter, remove the card and paste it directly.
• 📡 Coverage area: Check on the operator’s website to see if it is supported in your area 4G/5G. For example, MegaFon may limit the 5G for certain rates.
• 💰 Balance and packet of traffic: even if the Internet is “limitless”, some operators block access at zero balance (relevant for Tele2).
• 🔄 Reboot the device: trivial, but often helps. + Volume up 10 seconds for forced reboot.

If SIM-The card is new, it may not be activated. MTS and Beeline activate automatically within 24 hours, Tele2 may need to call 110 or register in your personal account:

*100# - MTS


*110*09# - Beeline




*555# - MegaFon




*111# - Tele2

⚠️ Note: If you are using Redmi with two SIM-By default, mobile internet can be linked to slot 1. To change this, go to Settings → SIM-maps and mobile networks → Mobile Internet and select the desired slot.

2.Automatic setting of APN

Most carriers send APN settings automatically when they first connect, and if they don't, you can manually request them:

1. Open the Messages app.
2. Create a new SMS with the text: For MTS: send an empty message to 1234. For Beeline: dial the Internet and send it to 5000. For MegaFon: send 1 to 5049. For Tele2: dial the Internet and send it to 679.

After receiving the SMS with settings, save them and restart the phone.

If the message does not arrive within 5 minutes, check:

• 📶 Are there any restrictions on sending SMS (for example, the operator locks).
• 📱 Is it inserted correctly? SIM-map (on Redmi 9 and newer slot is located on the right).
• 🔄 Try sending it. SMS From another phone – maybe the problem is in your Redmi communication module.

3. Manual setting of APN for all operators

If the automatic setting does not work, you will have to enter the settings manually. path to the APN menu on MIUI:

Settings → SIM- Maps and Mobile Networks → [Select SIM] → Access Points (APN)

In the upper right corner, click Add and fill in the fields below. Please note: 5G on Redmi Note 12/13 requires IPv4/IPv6, otherwise the speed will be limited.

After filling in, save the settings and select the profile you created in the APN list. If the access point is not saved, try:

• 🔄 Reboot the phone.
• 📵 Temporarily disable the second SIM-card (if any).
• 🛠️ Reset network settings: Settings → Memory and reset → Resetting network settings.

Profile name matches operator |APN entered without errors | IPv4/IPv6 protocol (for 5G) | Active profile saved and selected-->

4. Network mode choice: 4G, 5G or automatic

Redmi uses Auto mode by default, but sometimes this leads to an unstable connection, to manually select the network standard:

1. Go to Settings. → SIM-maps and mobile networks → [Choose. SIM].
2. Press Network Type.
3. Choose one of the options: 4G only (LTE) is optimal for stability. 5G/4G/3G/2G (auto) for new models (Redmi Note 12 Pro+, Redmi K60), 3G only - if 4G does not catch (relevant for remote regions).

Redmi with 5G support (for example, Redmi Note 11T Pro) can display the option SA/NSA. These are 5G modes:

• Standardone (SA) is a standalone network, high speed but limited coverage.
• NSA (Non-Standalone) – 5G runs through 4G base stations, wider coverage, but slower speeds.

If 5G is gone, go back to 4G only, as 5G may not be deployed in your region or a firmware update is needed.

💡

Redmi with MIUI 14 has a hidden option for forced 5G connection. Enter the Phone application code ##4636##, select Phone Information and Set preferred network type menu set NR/LTE/TD-SCDMA/GSM.

5. Problem Solving: No Internet or Slow Speed

If the Internet does not work after setting up the APN, check the following points:

🔍 Diagnostics of trouble

• 📶 Network indicator: if H is displayed near the signal level+ or 3G, So the phone doesn't switch to 4G. Try to manually select the mode only LTE.
• ⚡ Energy conservation: in MIUI There's a Background Limitation feature that can block mobile traffic. Turn it off in Settings. → Battery → Energy saving regime.
• 🔒 Operator blocking: if you recently changed the tariff, you may need to activate the service "Mobile Internet.

⚡ Accelerating the slow internet

If the speed is lower than expected (for example, instead of 100 Mbps, it shows 10 Mbps), try:

1. Disable VPN (if you use it). Some services (like Psiphon) limit speed.
2. In the APN settings, change the APN type to default,supl,mms (for MTS and MegaFon).
3. Update MIUI to the latest version: Settings → About Phone → System Update.

⚠️ Redmi 10 and Redmi 9 with older firmware MIUI 13 may occur when the phone "stick" on 3G. The solution is to reset network settings or update software.

6. Features of 5G configuration on new models

Redmi 5G smartphones (Redmi Note 11 Pro+ 5G, Redmi K50, Redmi 12 5G) require additional settings for stable operation:

• 📶 Checking for support for bands: not all operators operate at the same frequencies. n78 (3.5 GHz), and MTS — n41 (2.5 GHz: Ask the operator what ranges are available in your area.
• 🔧 Update modem firmware: sometimes for proper operation 5G You need a separate update to the radio module. → The phone. → Updating the system → Three dots (menu) → Package updates.
• 📱 Activation of VoLTE and VoNR: for calls by 4G/5G Enable options: Settings → SIM-maps and mobile networks → [Choose. SIM] → Challenges by 4G (VoLTE) → Onset. → SIM-maps and mobile networks → [Choose. SIM] → Challenges by 5G (VoNR) → On.

If 5G is connected but the speed is less than 100 Mbps, you may be connected to DNSA (Dual 4G+5G Connection) to force a clean 5G:

1. Enter the engineering code: ##4636##.
2. Select Phone Information.
3. In the Set preferred network type, set NR only (5G only).

⚠️ Attention: Regime NR Only may cause loss of communication if there is no coverage in your location 5G. Use it only for testing purposes.

💡

To run 5G on Redmi, you need to update your MIUI to the latest version, activate VoNR, and make sure the carrier supports your frequency range.

7.Setting up mobile internet on Redmi with two SIM-map

If you use two of them SIM-And by default, the mobile Internet can only be linked to one of these cards:

1. Go to Settings → SIM-cards and mobile networks → Mobile Internet.
2. Choose. SIM-The card you want to activate the Internet for.
3. Enable the option to use for data transfer.

Features of working with two SIM:

• 🔄 Traffic switching: if one SIM is used for calls, and the second is used for the Internet, the icon will be displayed in the status bar 4G active-card only.
• ⚡ Energy consumption: with active internet on both SIM Battery consumption increases by 15-20%. Turn off background data transfer for the second card in Settings → Annexes → Permits → Auto-start.
• 📵 Network Conflicts: If Both SIM plugged in 4G, You can switch between bases, which causes a connection to break down. SIM regimen 3G.

Redmi Note 10 Pro and newer has dual function 4G, permitting SIM-maps simultaneously work on networks 4G. To activate it:

Settings → SIM- maps and mobile networks → Dual 4G → On.

8. Network settings reset and extreme measures

If none of these methods worked, reset your network completely, and delete all stored Wi-Fi, Bluetooth devices and mobile settings:

1. Go to Settings → Memory and Reset → Reset network settings.
2. Confirm the action by entering the unlock password (if installed).
3. After restarting, reset the APN according to the instructions in Section 3.

If the problem persists, the modem or antenna may have malfunctioned.

• 📱 Check it out. IMEI: Type *#06#. If zeros or "unknown" are displayed, the communication module is corrupted.
• 🔧 Test it. SIM-card on another phone – if the internet is working, the problem is your Redmi.
• 🛠️ Contact Xiaomi Service Center (addresses on mi.com).For warranty models, repair is free.

⚠️ Attention: Redmi with unlocked bootloader (bootloader) after firmware custom software may disappear IMEI. It can only be restored through QCN-file-in-center.

FAQ: Frequent questions about mobile internet