How to set up the Internet on the phone Xiaomi Redmi 9: from Wi-Fi to 4G

Why Redmi 9 may not catch the Internet

Xiaomi Redmi 9 remains one of the most popular budget devices even in 2026, but owners often face problems with Internet connection. APN archaic MIUI. In this article, we will discuss all the ways to configure mobile Internet and Wi-Fi, and also tell you how to eliminate typical errors, for example, when the phone “sees” the network, but the pages do not load.

Redmi 9 features support for two SIM-If you just bought a phone or dropped it before the factory settings, the Internet may not work due to the lack of operator configuration. Don't rush to bring the device into service: 90% of the time, you can solve the problem yourself in 5-10 minutes.

It is important to consider the version. MIUI: on old assemblies (below) MIUI 12.5) may not have automatic settings for some operators.We will look at universal methods that work on all firmware versions, including global and Chinese.

1. Setting up mobile internet (3G/4G) on the Redmi 9

If your Redmi 9 doesn't have mobile internet, check the basics. → SIM-Maps and mobile networks and make sure that:

• 📶 Mobile data enabled (slider in position "On.").
• 🔄 The network mode is set to 4G (preferably 3G/4G (motor-car).
• 📱 SIM-The card is selected for data transfer (if you use two SIMs).

If the slider is turned on but the internet is not available, the problem may be in the access points (APN). Most operators (MTS, Beeline, MegaFon, Tele2) automatically send settings when you first connect, but sometimes they have to be entered manually.

Mobile data included|

Correctly inserted SIM-map|

The desired network mode is selected (4G)|

Checked balance on the account (no block for debts)-->

Manual setting APN for Russian operators

Go to Settings. → SIM-maps and mobile networks → [Yours. SIM] → Access points (APN). Press the badge"+" or "Add" APN" Enter the parameters for your operator:

After you type in, save the settings and restart the phone. If the Internet doesn't work, check that the new one is APN Become active (a tick or dot should be placed next to the name).

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If, after manual adjustment, APN Internet does not appear, try to remove all other access points from the list – sometimes the settings conflict blocks the connection.

2. Wi-Fi connection: errors and solutions

Wi-Fi on Redmi 9 is usually set up automatically, but there are exceptions. If the phone is not connected to the network, check first:

• 🔌 The router is on and gives a signal (indicators are on).
• 🔒 Password entered correctly (registration is important!).
• 📡 The phone is in range (check the signal level).
• 🔄 The router does not have a filter on MAC-Addresses (sometimes blocking new devices).

If the network is visible but the connection is not happening, try forgetting the network and connecting again:

1. Go to Settings. → Wi-Fi.
2. Click on your network name and select “Forget”.
3. Connect again by entering the password.

Solving the problem of "Connected without access to the Internet"

If there's an exclamation point next to the Wi-Fi name, it means that the phone has connected to the router, but it's not giving out the Internet.

• 🔌 Problems with the provider (call in support).
• ⚙️ Wrong settings IP on the phone (solved by resetting).
• 🔄 Router failure (helps reboot).

To reset your network settings to Redmi 9:

1. Go to Settings. → System and device → Resetting settings → Resetting Wi-Fi, Mobile Network and Bluetooth.
2. Confirm the action and restart the phone.

3. Update firmware for a stable Internet

Redmi 9 with older firmware MIUI 12.0 may have problems connecting to networks 4G+ And 5GHz Wi-Fi, because of the older drivers in the communication module, and the solution is to upgrade to the latest version:

1. Go to Settings → About the phone → System update.
2. Click "Check Updates."
3. If a new version is available, download and install it.

If the update is not available, check:

• 🌍 Firmware region: global (MIUI Global) or Chinese (MIUI China? for Russia, it is better to use the global.
• 🔌 Battery charge: must be at least 50%, otherwise the system will block the installation.
• 📶 Wi-Fi connection: updates "weigh" 1-2 GB, download them via mobile Internet is inconvenient.

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After updating your firmware, reset your network settings (Wi-Fi and mobile data) to avoid conflicts with older configurations.

4.Redmi 9's Internet Acceleration: Hidden Settings

If the internet is running slowly, try optimizing your settings. Redmi 9 has a few hidden features to improve speed:

Disabling application background activity

Many programs consume traffic in the background to limit them:

1. Go to Settings → Applications → Application Management.
2. Select an app (such as Facebook or TikTok).
3. Click on "Limit background activity" and "Limit data use".

Incorporation of traffic saving mode

Traffic Savings compresses data and blocks background synchronization:

1. Open Settings → Connections and Sharing → Save Traffic
2. Include the slider and add apps to exceptions (such as messengers).

Shift. DNS speed up loading

The default Redmi 9 uses DNS your operator, which can be slow, to change them:

1. Go to Settings → Connections and Sharing → Private DNS.
2. Select "Private Host Name" DNS" and type in dns.google (Google) DNS) 1dot1dot1dot1.cloudflare-dns.com (Cloudflare)

Save and restart the phone.

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To check the speed of the Internet, use the Speedtest by Ookla application. Run the test 2-3 times in a row - the first result may be underestimated due to cache.

5. Solving specific problems with the Internet

Sometimes the Internet on Redmi 9 is unstable due to hardware or software features.

Problem: The Internet is there, but not working individual sites

If, for example, VKontakte or YouTube does not open, and other sites are loaded, the reason may be:

• 🔒 Blocking by the operator (check balance or call support).
• 🛡️ VPN Antivirus (switch them off temporarily).
• ⏳ Cash. DNS (Clean it up through Settings. → Annexes → Utilities. → Cleanup).

Problem: The phone doesn't catch 4G (only 3G or)

If the status bar is displayed 3G or E instead 4G, try:

1. Manually select the network: Settings → SIM-maps and mobile networks → [Yours. SIM] → Type of network → Only LTE.
2. Check the coverage of the operator in your area (the provider’s website has maps of the zones). 4G).
3. Update the Communication Module firmware (if an update is available through Settings) → The phone).

6. Alternative ways of connecting to the Internet

If standard methods do not work, workarounds can be used:

Modem mode (distribution of the Internet from another phone)

If your Redmi 9 is not connected to the internet, but you have another phone with mobile internet, you can give away the network:

1. On the second phone, turn on modem modem (in the settings "Access Point and modem").
2. On Redmi 9, connect to the created Wi-Fi network.

USB-Internet (via computer)

If you have a PC with Internet access, you can connect Redmi 9 to the Internet. USB and give out the net:

1. Connect your phone to your computer through USB-cable.
2. On PC, open "Network Options" → Mobile hotspot and allow sharing of connection.
3. On the phone in Settings → Connections and sharing → USB-Internet, turn on the slider.

Use of an external Wi-Fi adapter

In rare cases (for example, if the Wi-Fi antenna is damaged), you can connect an external adapter through the Internet. USB OTG. For that:

• Buy it. USB Wi-Fi adapter with support OTG (For example, TP-Link TL-WN725N).
• Connect him to the phone through OTG-cable.
• Install the app USB OTG Checker to check compatibility.

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An external Wi-Fi adapter is a last resort, and check before you buy whether resetting the network or updating the firmware helps.

7. Diagnostics of hardware problems

If none of these things work, there's a hardware problem, and Redmi 9's most common ones are:

• 📡 antenna Wi-Fi/4G (problems after falling or getting moisture).
• 🔌 Slot SIM-cards (contacts oxidized or bent).
• 🔋 Communication module (less commonly but requires replacement of motherboard).

Checking the hardware fault can be as follows:

1. Put it in. SIM-Card to another phone – if the internet works, the problem is Redmi 9.
2. Try connecting to Wi-Fi in different places (at home, in a cafe, with friends).
3. Check if the phone is overheating in the upper part (the communication module is located there).

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If the phone falls or gets wet, don't turn it on right away - let it dry for 24 to 48 hours in a dry place (like rice).

⚠️ Warning: If you suspect a hardware breakdown, don't try to disassemble the phone yourself - this could lead to a loss of warranty. contact Xiaomi's service center or a trusted wizard.

FAQ: Frequent questions about setting up the Internet on Redmi 9