Xiaomi Redmi Note 8 Pro supports networks 4G LTE, Sometimes users are faced with the fact that the device only works in the mode. 3G or 2G, The reasons can range from incorrect settings to hardware limitations. SIM-In this article, we'll look at all the ways we can incorporate maps. 4G, including hidden settings, compatibility checks and solutions to typical problems.
Redmi Note 8 Pro is equipped with a modem MediaTek Helio G90T, majority-supported LTE-Some operators (especially virtual operators) may restrict access to the 4G Before you change your settings, make sure your plan includes support for VoLTE and LTE β This can be checked in the personal office of the operator or through USSD-request (e.g. *100# for MTS).
If youβve just bought a smartphone or upgraded your firmware, the problem may lie in reset network settings. Next, weβll look at step-by-step instructions, from basic to advanced methods.
1. Verification of support 4G yours SIM-map-and-operator
Before you set up your phone, make sure yours is yours. SIM-The map and the tariff plan support 4G. Here's what we need to do:
- π± Check the type SIM-maps: Redmi Note 8 Pro works with nano-SIM. If you use an adapter or an old Micro-SIM, the connection may be unstable.
- π Clarify the coverage of the operator: Go to the website of your mobile operator (MTS, Beeline, Tele2, MegaFon) and check the coverage map 4G In your area, for example, in remote areas. 4G It can only work in the 800 MHz (Band 20) band, which is supported by a smartphone.
- π³ Activate the service 4G: Some operators (e.g. Yota or virtual operators) MVNO) require separate activation LTE. Send. USSD-team: *111*467# β for MTS; *110*180# β for Beeline; *155*1# β for MegaFon.
If 4G didn't come along after that, the problem could be the phone's settings.
2. Enable 4G through the basic Android settings
The easiest way to activate 4G is to use the standard settings menu.
- Open the Settings app** (the gear icon on the desktop).
- Go to section. SIM-maps and mobile networks (or mobile network depending on version) MIUI).
- Choose yours. SIM-card (if two of them).
- Click on Network Type or Preferred Network Type.
- Set the value of 4G (preferably) or LTE/3G/2G (auto).
After changing your settings, restart your smartphone. If there is no 4G option on the list, this could mean:
- π SIM-card does not support LTE (For example, an old card without USIM);
- π΅ Operator blocked 4G for your rate;
- π§ In the firmware of the smartphone disabled support LTE (Resolved by updating or resetting settings).
βοΈ Checking before setting up 4G
3. Resetting mobile network settings
If 4G doesn't turn on after you change the settings, try resetting the network settings, which will delete the saved APNs and return the connection settings to the factory.
Instructions:
- Open the Settings. β SIM-maps and mobile networks.
- Choose yours. SIM-map.
- Click on Reset Mobile Network Settings (or APN Reset).
- Confirm the action.
After the reset, the phone will automatically download the operator's APN settings. If this does not happen, add the APN manually:
- In the same menu, select Access Points (APN).
- Click on + (add a new APN).
- Enter your operator's settings (you can find them on the official website). For example, for MTS: Name: MTS 4G APN: Internet.mts.ru Proxy: not specified Port: not specified Username: mts Password: mts Authentication type: PAP or CHAP Type APN: default,supl
- Save the settings and restart the phone.
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If 4G APN doesnβt appear after reset, try manually specifying the APN type as default,supl,mms β this sometimes helps with MMS and LTE issues.
4. Check 4G bands and manual network setup
Xiaomi Redmi Note 8 Pro supports the following 4G LTE bands:
| Range (Band) | Frequency (MHz) | Support in Russia |
|---|---|---|
| B1 | 2100 | Yes (MTS, MegaFon, Beeline) |
| B3 | 1800 | Yes (all operators) |
| B7 | 2600 | Yes (MTS, MegaFon) |
| B20 | 800 | Yes (rural coverage) |
| B38 | 2600 (TDD) | Partially (Yota, some regions) |
If the phone doesn't catch 4G, it may not automatically connect to the available range, in which case you can try manual network search:
- Go to Settings. β SIM-maps and mobile networks.
- Choose yours. SIM-map.
- Click on Network Search (or Manual Network Selection).
- Wait until the search is complete and select your carrierβs network manually (e.g. MTS-RU or Beeline RU).
- Save the settings and restart the phone.
β οΈ Note: If there is no available network 4G-Your network operator, this may mean that your SIM-card does not support LTE or the operator has temporarily disabled the service in your area, in which case contact the operator's support.
5. Update firmware and check regional settings
Sometimes 4G issues arise from outdated MIUI firmware. Redmi Note 8 Pro has received upgrades to MIUI 12.5, but some users remain on older versions where there may be bugs with the modem.
To update the firmware:
- Open Settings β About the phone β System update.
- Click on Check for Updates.
- If an update is available, download and install it.
If there are no updates but the 4G problem persists, check the regional settings:
- Go to Settings. β Additionally. β Region.
- Find the country (or your real region).
- Reboot the phone.
Important: If you use custom firmware (like LineageOS or Pixel Experience), 4G support may be compromised due to incorrect modem drivers, in which case it is recommended to return to the official MIUI.
What if 4G is missing after the upgrade?
6.Checking hardware problems and alternative solutions
If none of these things worked, the problem could be hardware.
- π Others SIM-Cards: Put another one in the phone SIM-card (for example, from another operator) and check if it works 4G. If yes, the problem is the first one. SIM-card.
If that doesn't work, you may have a defective modem or antenna unit, in which case, contact Xiaomi's service center, and back up your data before you visit, as you may need to reset to factory settings.
β οΈ Warning: Don't try to disassemble the phone yourself to check the antenna - this could lead to a loss of warranty.Redmi Note 8 Pro antennas 4G They are integrated into a metal body and their damage often requires replacing the entire medium frame.
7.Use of the engineering menu (for experienced users)
If standard methods donβt work, you can try to turn on 4G through an engineering menu, which is only suitable for power users, as incorrect changes can disrupt the network.
Instructions:
- Open the Phone app and enter the code: ##4636###
If there is no LTE option in the engineering menu, it may mean that:
- The firmware does not support 4G (relevant for custom assemblies);
- The modem is blocked by the operator (occurs on phones purchased on credit);
- A hardware malfunction of the modem.
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The engineering menu is a powerful tool, but it's dangerous to change the settings without understanding the consequences. If you're not sure, you better go to the service.