Xiaomi Redmi Note 9 is one of the most popular budget smartphones with support for modem mode, but many users face problems when trying to distribute the Internet to a laptop, tablet or other phone. Unlike flagship models, there are nuances with drivers, operator restrictions and even βhiddenβ MIUI settings that interfere with the stable operation of the access point.
In this article, 4 proven ways to distribute Wi-Fi with Redmi Note 9 (including Pro modifications, 9S and 9T), And we'll also have unique solutions for errors like, "Can't turn on the hotspot" or "Devices are connected, but the Internet is not working." We'll take a look at both the standard methods through the Android menu and the alternative methods using the Android menu. ADB-A separate unit is dedicated to diagnosing problems with SIM-map APN.
Preparation: What to check before setting up an access point
Before you turn on the Internet, make sure your Redmi Note 9 meets three key conditions:
- πΆ Mobile Internet is stable β check the speed on the smartphone itself (for example, through the Speedtest app). If the speed is below 1 Mbps, the problem may be on the operatorβs side.
- π Battery charge above 20% β MIUI Automatically disables the access point when charged low, even if you are connected to the charger.
- π± Updated firmware MIUI β in older versions (below) MIUI 12.5) were bugs with modem mode. Update via Settings β The phone. β Updating the system.
Also pay attention to the tariff plan: some operators (for example, Tele2 or Iota) by default block the distribution of the Internet or limit the speed. Check the terms with your provider or temporarily connect the option βModem / access pointβ (cost β from 50 rubles per day).
If you use two of them SIM-If you're going to use the map, the access point will only work with the one that's chosen as the primary data transfer point. β SIM-maps and mobile networks β Transfer data. Switch it if necessary.
Method 1: Standard setting of the access point via the MIUI menu
This is the simplest method that works on all versions of the Redmi Note 9 (including the Pro/9S/9T).
- Open the Settings. β Access Point and modem.
- Select the Portable Wi-Fi hotspot.
- Activate the slider at the top of the screen.
- Click on the Wi-Fi Access Point Settings to ask: π Name of the network (SSID) β Latin, no gaps. π Password β minimum 8 characters, with numbers and letters. π‘ Range β Choose 2.4GHz for better compatibility (5GHz may not be supported by older devices).
Save your settings and connect to the network you created from another device.
Mobile Internet works on a smartphone|Battery charge >20%|The right one. SIM-data-card|Updated firmware MIUI|Operator restrictions checked-->
If the access point is immediately disabled after activation, try:
- π Reboot your smartphone.
- π΄ Temporarily shut down VPN or proxy (if you use it).
- π οΈ Reset network settings: Settings β Memory and network β Resetting the network.
Method 2: Distribute the Internet via USB (Reverse Tethering)
If Wi-Fi is not working or you need a more stable connection, you can distribute the Internet over the Internet. USB-This method is useful for laptops without a Wi-Fi adapter or with a weak signal.
Instructions:
- Connect the Redmi Note 9 to your computer via the original cable (importantly, cheap cables may not be transmitting data).
- On your smartphone, select File Transfer (MTP) mode in the connection notification.
- Go to Settings. β Access Point and modem β USB-modem and activate slider.
- On the computer, check the connection: πͺ Windows: Open the Control Panel β The Internet and the Internet β Network connections. There's a new Remote connection coming up. NDIS. π§ Linux: Follow the command lsusb β the list should be a Xiaomi device.
If the internet doesn't come up:
β οΈ Attention: On Windows 10/11 You may need to install the Mi driver. USB Download it from the official Xiaomi website: link (Drivers section).
π‘
If USB-The modem is not turned on, try to disable debugging by USB In Settings β For developers, sometimes these functions conflict.
Method 3: Using Bluetooth to distribute the Internet
Bluetooth modem is a compromise option when Wi-Fi is unstable and USB-There is no cable at hand, speed will be lower (up to 3 Mbps), but battery consumption is minimal.
How to set up:
- Turn on Bluetooth on both devices.
- Connect the Redmi Note 9 to the target device (laptop or tablet).
- On your smartphone, go to Settings β Access Point and modem β Bluetooth modem.
- Select the conjugated device from the list and activate the modem.
Method 4: Distributing the Internet through ADB (for power users)
If standard methods do not work due to operator limitations or bugs MIUI, You can turn on the access point through ADB-This bypasses some software lockdowns.
Step-by-step:
- Install Platform Tools on your computer (download from the official Android website).
- Turn on USB Debugging on Redmi Note 9: Settings β About Phone β MIUI Version (click 7 times to activate Developer Mode), then Settings β Additional β Developer β Debugging on USB.
- Connect your smartphone to your PC and execute in the terminal (from the folder with Platform Tools):adb devices If the device does not appear, confirm the debugging permission on the smartphone screen.
- Enter the command to enable the access point:adb shell settings put global tether_dun_required 0 Next: Adb shell am start -n com.android.settings/.TetherSettings This will open the hidden modem settings.
- Now try to enable the access point in the standard way (see Method 1).
β οΈ Attention: After use ADB Reset the factory access point settings (Settings) β Access Point and modem β Resetting settings, otherwise there may be connection problems in the future.
What if the ADB canβt see the device?
Table of errors and their solutions
If the access point is not turned on or devices are not connected, check your situation in the table below:
| Mistake. | Possible cause | Decision |
|---|---|---|
| βWe failed to turn on the access point.β | Operator Limitation or MIUI Bug | Use Method 4 (ADB) or change the APN (see next section) |
| Devices are connected, but the internet is not working. | Wrong settings APN or IPv6-conflict | Check the APN (instruction below) or turn off IPv6 in the access point settings |
| Access point is turned off after 5-10 minutes | Battery savings or MIUI background optimization | Disable optimization for the Settings: Settings β Applications β Application Management β Settings β Battery β Without Limits |
| Low speed (less than 1 Mbps) | Limitation of operator or network overload | Try changing your Wi-Fi range to 5GHz or connect via USB |
| You can't see the Wi-Fi network you've created. | Channel Conflict or Hidden SSID | Change the channel in the access point settings (for example, from Auto to Channel 6) |
Additional: APN settings for stable operation
If the Internet through the access point is unstable or not at all, the problem may be in the settings of APN (Access Point Name), especially for operators like Yota or Tinkoff Mobile, which use non-standard settings.
How to check and change your APN:
- Go to Settings. β SIM-maps and mobile networks β [Yours. SIM] β Access points (APN).
- Click on the current APN profile (usually one) and check the fields: Name: can be any (e.g. MTS Internet). APN: must match the operator (see table below). Authentication type: usually PAP or CHAP. APN type: must be default,supl,mms or default,supl.
If the settings are different, create a new APN with the right data (click "+" in the top corner).
Save and select a new profile as active.
APN options for popular operators:
| Operator. | APN | User name | Password. |
|---|---|---|---|
| MTS | internet.mts.ru | mts | mts |
| Beeline | internet.beeline.ru | β | β |
| Megaphone | internet | gdata | gdata |
| Tele2. | internet.tele2.ru | β | β |
| iota | yota.ru | β | β |
π‘
If, after the change, APN Internet is completely lost, restart your smartphone and check that the correct profile is selected in the settings SIM-map.