How to turn on the Internet on Xiaomi phone: mobile data, Wi-Fi and problem solving

Mobile Internet on Xiaomi smartphones can suddenly stop working for dozens of reasons, from trivial forgetfulness (data turned off) to complex technical failures. If you see an icon β€œNo Internet connection” or E/H+ instead of 4G, do not rush to carry the phone into the service: in 90% of cases, the problem can be solved by yourself in 5 minutes. This article will help you understand how to correctly turn on mobile Internet, set up APN hotspots, diagnose malfunctions and even restore communication after resets.

We will look at all possible scenarios: from basic actions for beginners to advanced methods for users faced with hardware limitations on models with two models. SIM-cards (for example, Redmi Note 12 Pro)+ or POCO F5). We will pay special attention to the typical errors in setting up VoLTE and 5G, If your Xiaomi is not accessing the Internet either through mobile or Wi-Fi, here you will find a solution.

1. Basic ways to enable the Internet on Xiaomi

Start with the obvious: check if your mobile data is activated and if your phone is in Airplane mode, which is reset after updates. MIUI or in substitution SIM-map.

To enable mobile internet:

  • πŸ“Ά Open the notification curtain (swipe down from top to bottom) and make sure the Mobile Data icon is illuminated. If not, tap it.
  • πŸ”„ Reset the phone: press the power button, select Reboot. This will reset the temporary errors of the communication module.
  • πŸ“± Check the β€œIn the plane” mode: go to Settings β†’ Connections β†’ In-plane mode and turn it off if it is active.
  • πŸ”‹ Make sure that SIM-The card is recognized: the notification curtain should display the name of the operator (for example, MTS or Beeline). SIM slot.

If the internet doesn’t work after this, move on to the next section, and note that on some models (such as the Xiaomi 13T), mobile data can be turned off automatically when connected to Wi-Fi – this is normal MIUI behavior.

πŸ“Š Which communications operator do you use?
MTS
Beeline
MegaFon
Tele2.
Yota
Other

2. set up APN access points for all operators

Wrong parameters APN (Access Point Name: The most common reason for not having internet access after buying a new phone or changing a phone SIM-Even if the data is on, without the correct data. APN The following are the current settings for the main Russian operators (2026).

Operator.APN nameAPNType of authentication
MTSmtsinternet.mts.ruPAP or CHAP
Beelinebeeline internetinternet.beeline.ruNot established.
MegaFonMegafoninternetPAP
Tele2.tele2 internetinternet.tele2.ruNot required

To set up APN on Xiaomi:

  1. Go to Settings. β†’ SIM-maps and mobile networks β†’ [Choose. SIM] β†’ Access points (APN).
  2. Click Add Access Point and enter the settings from the table above.
  3. Save the settings and restart the phone.
  4. After the reboot, turn on mobile data and check the connection.

Compared the parameters with the table above |

Save the access point and rebooted the phone |

Make sure the correct APN profile is selected (check next)|

Try to connect to the Internet through the browser-->

⚠️ Attention: If on the list APN You already have a profile with your carrier's name, but the Internet doesn't work -- delete it and create a new one.

3. 4G/5G issues: why the phone doesn't catch the network

If your Xiaomi shows H+ instead of 4G or doesn’t connect at all, the problem may lie in range settings or hardware limitations, especially for models with 5G support (such as the Xiaomi 12T Pro or POCO F4 GT), where manual tuning is required.

What to check:

  • πŸ“‘ Network Mode: Go to Settings β†’ SIM-maps and mobile networks β†’ [Choose. SIM] β†’ Network type and select 4G (preferably 5G/4G/3G/2G (motor-car).
  • πŸ”§ VoLTE: If calls work and the Internet doesn't, turn on VoLTE in the same settings) 4G may not work.
  • πŸ”„ Software Update: An Older Version MIUI may not support new ranges 5G. Check for updates in Settings β†’ The phone. β†’ Updating the system.
  • πŸ›‘οΈ Lockdown IMEI: If you have purchased a phone from abroad or from your hands, IMEI It could be blocked by the operator. Check the status on your provider's website.

On the two-way model SIM-With cards (e.g. Redmi Note 11 Pro) make sure the internet is assigned to the correct one. SIM: Go to Settings. β†’ SIM-maps and mobile networks β†’ Mobile data and select the desired slot.

How to check 5G support on Xiaomi?
Find out if your Xiaomi network supports you 5G, Go to Settings. β†’ The phone. β†’ All the characteristics and find the line Network bands. n1, n3, n7, n28, n78 β€” Your phone is compatible with Russian 5G-Networks (after software updates).

4. Wi-Fi is not working: diagnosis and solution

If mobile internet is fine, but Wi-Fi refuses to connect or permanently breaks the connection, the problem could be both the phone and the router.

What to do:

  • πŸ”Œ Forget the network: go to Settings β†’ Wi-Fi, tap on the problem network, select Forget, then connect again.
  • πŸ”’ Check password: If the router recently rebooted, the password may have been reset to factory (usually listed on the router sticker).
  • πŸ“Ά Change Wi-Fi range: In router settings, try switching from 5GHz to 2.4GHz (or vice versa).Some Xiaomi models (e.g. Redmi) 9A) They don't work well with 5 GHz.
  • πŸ”„ Update the router firmware: outdated software may conflict with MIUI. Updates are usually available in the router's web interface at 192.168.0.1 or 192.168.1.1.

If Wi-Fi is connected but the pages are not loading, check your DNS settings:

  1. Go to Settings β†’ Wi-Fi β†’ [Click on Connected Network] β†’ Change Network β†’ Additional settings.
  2. In the DNS field 1 enter 8.8.8.8 (Google), in DNS 2 - 1.1.1.1 (Cloudflare).
  3. Save and reconnect.

πŸ’‘

If Wi-Fi only works near the router, try reducing the channel width in the router settings to 20 MHz (2.4 GHz), which will reduce the speed, but increase the signal range.

5. Network settings reset: a last resort

If none of these things work, you'll have to reset your network settings, and this will delete all your stored Wi-Fi networks, passwords, Bluetooth settings, and mobile data, but it won't affect your personal files.

  1. Go to Settings β†’ About Phone β†’ Resetting β†’ Resetting Network Settings.
  2. Confirm the action (you may need to enter a pattern lock or PIN-code).
  3. After the reboot, set up a Wi-Fi and mobile network connection again.

⚠️ Note: On some models (POCO X3 Pro, Redmi K40) Network reset also resets VoLTE and ViLTE settings. After the procedure, go to Settings β†’ SIM-maps and mobile networks β†’ [Choose. SIM] β†’ Enable VoLTE and activate the option.

If the reset didn’t work, the problem could be hardware (the communication module is damaged) or IMEI blocking.

6 Problems after MIUI update

MIUI updates often bring not only new features, but also bugs associated with Internet connection.

  • πŸ“΅ The network icon disappears or flashes.
  • πŸ”„ Mobile data is turned on, but traffic is not going.
  • πŸ“‘ Wi-Fi is connected, but the speed is close to zero.

How to fix it:

  • πŸ”„ Update rollback: if the problem appeared immediately after the update, try rolling back to the previous version MIUI through settings β†’ The phone. β†’ Updating the system β†’ Three dots (menu) β†’ Select a Service Package.
  • πŸ”§ Cache cleaning: go to Settings β†’ Annexes β†’ Application management β†’ Three dots (menu) β†’ Show system-based β†’ Settings, then press Storage β†’ Clear the cache.
  • πŸ“₯ Hand-mounted APN: Even if you already have an operator profile, recreate it (see Section 2).

If the problem persists, check out Xiaomi forums (like Mi Community) – it may be a massive bug and the manufacturer has already released a patch.

πŸ’‘

After major MIUI updates (e.g., 13 to 14), the power saving settings for mobile data are reset. Go to Settings β†’ Battery β†’ Application Energy Saving and disable browser and instant messenger restrictions.

7. Hardware malfunctions: when it's time to go to service

If the software methods didn't work, the problem could be the hardware.

  • πŸ“΅ The phone doesn't see any of them. SIM-map (even after rebooting).
  • πŸ”Œ Wi-Fi and mobile data stopped working at the same time.
  • πŸ› οΈ In the antenna area (top of the phone) there are traces of falling or getting moisture.
  • πŸ”‹ The phone is very hot in the area of the communication module (top left corner).

What could have broken:

MalfunctionSigns.Decision
The slot is damaged. SIM-mapThe phone doesn’t see the SIM or only sees it after multiple inserts.Slot replacement (cost) ~800–1500 β‚½)
Communications module is out of orderThere is no mobile network and Wi-Fi.Replacement of module (cost) ~3000–6000 β‚½)
Oxidation of contacts after moistureThe Internet is interrupted, the phone spontaneously rebootsCleaning the board with ultrasound (~2000 β‚½)

⚠️ WARNING: If your Xiaomi gets caught in rain or drowns, don't turn it on and plug it into charging! SIM-card and battery (if possible), then take to the service. Turning on the wet phone leads to short circuit and irreversible damage to the board.

Frequent Questions (FAQ)

Why Xiaomi doesn’t have the internet USB-modem (binding)?
If you connect Xiaomi to your computer, how USB-modem, but the Internet is not transmitted, check: Is the option enabled USB-modem in the notification curtain (after connecting the cable), whether Xiaomi drivers are installed on the PC (you can download on the official website), whether the connection is blocked by antivirus or Windows firewall (POCO X3 NFC) You need to add additional debugging to USB In Settings β†’ The phone. β†’ Version. MIUI (Tap 7 times on the line, then return to Additional settings β†’ For developers).
How to turn on the Internet to Xiaomi without SIM-maps (wi-fi only)?
If you don't. SIM-Maps, but you need to use the Internet: Connect to Wi-Fi (see section 4). Use the access point from another phone: on the second device, turn on modem modem β†’ Wi-Fi hotspot and connect to it with Xiaomi. If Wi-Fi is not available, connect your phone to a PC with the Internet via the Internet USB and turn on USB-Note: some features (such as WhatsApp or Telegram calls) may require confirmation via SMS, impossible without SIM-map.
What if the Internet disappeared after the screen was replaced?
It's a typical problem after unqualified repairs: πŸ”Œ The antenna plume is damaged (passes next to the screen). πŸ› οΈ Not connected connector of the communication module on the motherboard. πŸ“΅ There's no grounding of the screen, which is blocking the antennas. Solution: go back to the workshop and demand a rediagnosis. You can't fix this yourself without disassembling the phone.
Can I use the Internet on Xiaomi abroad?
Yeah, but there's nuance: 🌍 Roaming: turn it on in advance from the operator (a special tariff may be required). πŸ“‘ Frequency ranges: some Xiaomi models (e.g. Redmi) 10C) They do not support the US or European 4G-Check compatibility on FrequencyCheck. πŸ’³ Local. SIM-card: buy SIM local operator (e.g. Vodafone in Europe) and set up APN (The parameters can be found on the provider’s website). ⚠️ Note: In some countries (e.g. the United States, Japan) operators block devices with uncertified devices. IMEI. Clarify this in advance.
How to speed up the slow internet on Xiaomi?
If the speed is lower than expected: Check network coverage: in a weak signal (1-2 divisions), the speed drops. Use the NetMonster application for analysis. Turn off traffic savings: Settings β†’ Connections β†’ Save traffic. Change the type of network with 4G Only 3G (sometimes 3G It's more stable in densely populated areas. Clear the cache of system applications: Settings β†’ Annexes β†’ Application management β†’ Three points. β†’ Show system-based β†’ Settings β†’ Warehouse β†’ If the problem is only Wi-Fi, try changing the router channel (from 6 or 11 to 2.4 GHz).