A modern smartphone is impossible to imagine without access to the global network, and owners of Xiaomi, Redmi or Poco devices often face the need to quickly adjust mobile traffic. SIM-Automatic configuration may not work, leaving the user without communication. In this guide, we will discuss all the nuances of manually entering parameters and eliminating typical errors.
The process of activating data transfer depends on the version of the operating system. MIUI or HyperOS, and from your mobile operator. APN It is critical for stable work 4G/LTE. Ignoring these settings can cause the phone to see the network, but pages in the browser will not load.
Below is a detailed guide that will help you fix connectivity problems in a few minutes, and we will look at both standard procedures and hidden settings available in the engineering menu. Follow the steps consistently to avoid conflicts with network modules.
Preparation of SIM-card and balance check
Before you go to the complicated settings on the menu, you need to make sure that the components are physically healthy. Often the problem is not a software failure, but a banal lack of signal or funds on the account. Make sure that the SIM card is installed correctly and the contacts are not contaminated.
Check the status of your plan with the operator. If the balance is negative or the traffic pack is exhausted, the Internet will not work, even if all the settings in the phone are set correctly.
- 📱 Make sure that SIM-map defined by the system: the notification curtain should display an icon 4G or LTE.
- 💰 Check the balance of funds through USSD-Your team or application.
- 🔌 Clean your contacts carefully. SIM-soft-clothed cards before re-installing.
If you just inserted a new SIM card, wait for automatic SMS with settings to arrive. On Xiaomi devices, they often come with a delay or can be blocked by a spam filter, in which case you will need to manually adjust the profile.
Enabling data transfer in the MIUI interface
The easiest way to activate the Internet is to use the Quick Access Panel. Swipe your finger from the top edge of the screen down to open the curtain. Find the Mobile Internet icon (usually looks like two up and down arrows) and activate it.
If the icon is not on, but the Internet does not appear, you need to check the settings in the main menu. → SIM-maps and mobile networks, and you can select a SIM card that you can use to access the network if you have two.
In the same menu, you should also pay attention to the "Use Mobile Internet" switch, which should be active, and check if the "Traffic Saving" mode is on, which can block background applications.
⚠️ Note: If you are roaming, be sure to include the option “Data Roaming” in the menu SIM-card, otherwise the connection to the Internet will be broken when leaving the home network.
Manually configuring the APN access point
When the automatic settings are not applied, the only solution is to create a new access point manually, which is the most common reason why the Internet does not work on Xiaomi after a change of operator. APN individual for each provider.
To enter the settings menu, go on the Settings path → SIM-maps and mobile networks → (Choose. SIM) → Access points (APN). In the lower right corner of the screen, click the “New Access Point” button or icon «+».
The window that opens will require you to enter data from your carrier’s website, and most often only fill in the “Name” and “APN” fields. Other options, such as proxy or port, are usually left blank unless the operator has indicated otherwise.
- 📝 In the “Name” field, type any name, such as the Internet.
- 🌐 In the field «APN» enter the address provided by the operator (for example, Internet.mts.ru).
- 💾 Be sure to click the “More” button (three dots) and select “Save” or the settings will reset.
☑️ Checking settings APN
Once saved, go back to the hotspot list and make sure the new entry is active (green tick).Reboot your smartphone to apply the changes. If the internet doesn't work, try removing old, non-working APN profiles.
Comparison of APN parameters for major operators
For the convenience of users, we have collected the latest parameters for the largest mobile operators, the data may vary slightly depending on the region, so always check the official information on the provider's website.
| Operator. | The name of the dot (Name) | APN (Access Point) | Type of authentication |
|---|---|---|---|
| MTS | MTS Internet | internet.mts.ru | PAP or CHAP |
| Beeline | Beeline Internet | internet.beeline.ru | No or PAP |
| Megaphone | Megafon Internet | internet | No. |
| Tele2 | Tele2 Internet | internet.tele2.ru | PAP |
Please note that some unlimited social media rates may require special APNs, but it is recommended to use a standard full-network access point to make a full-service use of your smartphone.
What to do if the APN is not saved?
Resetting network settings and additional actions
If manual adjustment didn't work, there may have been a software conflict in the system, and in such cases, the effective solution is to reset the network settings to factory values, and this action won't delete your personal files, photos or contacts.
To perform the reset, go to Settings → Connection & Sharing → Reset Wi-Fi, mobile networks and Bluetooth. The system will alert you that all saved passwords from Wi-Fi will be deleted.
Once reset, the phone will reboot, you'll need to re-enter your wireless passwords, but the cellular settings will be updated, often solving problems with 3G/4G jumping or no signal at all.
- 🔄 Reset eliminates errors in the operation of the communication module after updating the firmware.
- 🔒 All previously stored Bluetooth pairings are removed.
- 📶 Reinstated Network Priority Standards.
⚠️ Before resetting, make sure you remember passwords from important Wi-Fi networks, as it will be impossible to recover them from your phone’s memory after this procedure.
Diagnostics through the Engineering Menu
For advanced users, Xiaomi smartphones have a hidden engineering menu that allows you to check the signal quality and force the network type to switch, which is useful in areas of uncertain reception, where the phone is stuck on EDGE.
To enter the menu, open the Phone app and dial the combination ##4636##. If the code didn't work, your version of MIUI may be blocking access and you'll need third-party apps like Activity Launcher.
In the menu that opens, select Phone Information. You can find "Install preferred network type" here, and select LTE only or LTE/TD-SCDMA to make the modem work only in the 4G range.
💡
Use LTE only for diagnostics only or in areas with very low signal. Continuous use may make it impossible to make voice calls if the operator does not support VoLTE technology.
After changing the settings, wait 10-15 seconds. If the 4G icon appears but the Internet is not working, return the settings to LTE/WCDMA/GSM (auto connect) mode. This will ensure automatic switching between communication standards.