How to enable LTE on Xiaomi Redmi 7A: a complete guide to solving typical problems

Xiaomi Redmi 7A It is still a popular budget smartphone, but many users face the problem of lack of 4G-connection after buying or updating firmware.There may be several reasons: from incorrect settings SIM-maps to operator software constraints. In this article, we'll look at all the ways to include LTE on the Redmi 7A, We also know what to do if the network does not appear.

It is important to understand that Redmi 7A supports 4G (LTE) only in the SIM1 slot - the second slot (SIM2) works exclusively in 2G/3G mode. If you inserted a card into the wrong slot, mobile Internet will be limited to 3G speeds. Also, the problem can lie in the APN settings or even in the device's firmware. We will consider all options - from basic to advanced.

1. Verification of LTE support by the operator and smartphone

Before you set up your phone, make sure your carrier provides 4G in your area. For example, MegaFon or Beeline may have different LTE coverage even in neighboring areas.

• 📡 On the official website of the operator (section "Coverage map").
• 📱 In the phone settings: Settings → The phone. → Status. SIM-map → Type of network.
• 🔍 Through third-party services like OpenSignal.

If the operator supports LTE, but it does not work on the Redmi 7A, the problem may be:

• 🔧 Incorrect settings APN.
• 📶 Lack of firmware updates.
• 🛠️ Hardware restrictions (e.g., slots) SIM2 supportive 4G).

Specifications of Redmi 7A LTE:

⚠️ Note: If you use two of these SIM-map, 4G It will only work on the first one (SIM1). The second card will automatically switch to 3G/2G, Even if the operator supports LTE.

2. Basic LTE setup via phone menu

The easiest way to enable 4G is through standard MIUI settings.

1. Open the settings (cog icon on the desktop).
2. Go to section. SIM-maps and mobile networks.
3. Select SIM1 (if you have two cards).
4. Press Network Type.
5. Install the switch to 4G (recommended) or 4G/3G/2G (auto).

If there is no 4G on the menu, it means:

• 📵 SIM-map inserted SIM2 (Move it to the first slot).
• 🔄 A firmware update is required (more on this below).
• 🚫 Operator blocked LTE for your rate.

SIM-card inserted SIM1|

Operator's tariff supports 4G|

Updated to the latest version of MIUI|

In the network settings selected mode 4G/3G/2G (motor-car)-->

The Redmi 7A with firmware below MIUI 12 may not have a manual 4G network selection, in which case an upgrade is required.

3. Manual addition of the APN access point

If the Internet is not working after 4G is turned on, the APN hotspot is probably not configured. Each operator has its own parameters.

1. Open the Settings. → SIM-maps and mobile networks.
2. Choose. SIM1 → Access points (APN).
3. Click Add APN (or the "+" icon).
4. Fill in the fields according to your operator’s data (see the table below).
5. Save the settings and restart the phone.

If the Internet does not work after saving the APN:

• 📞 Call the operator and check if the service is activated. 4G/LTE on your room.

💡

If your carrier’s settings are already on the APN list, but the internet isn’t working, try removing them and adding them again. Sometimes old profiles conflict with new network settings.

4. firmware update to support LTE

The Redmi 7A with factory firmware (especially on MIUI 10 or lower) may not have 4G support for some carriers.

1. Open the Settings. → The phone.
2. Press System Update.
3. If you have an update, download it and install it.
4. After restarting, check the network settings again.

If automatic updates do not help:

• 🔗 Download the latest firmware for Redmi 7A from the official Xiaomi website.
• 📁 Save the file in the root folder of the phone (not in the subfolders!).
• 🔄 In the update menu, click Select the firmware file and specify the downloaded package.

⚠️ Note: When you are manually firmware, make sure you download the version specifically for Redmi. 7A (codename: pine. Installing firmware from another model will cause the phone to break down!

5. IMEI check and frequency band unlocking

Rarely. LTE It does not work because of problems with IMEI (Unique phone ID) or locked frequencies. IMEI so-so:

1. Type on the keyboard *#06#.
2. Compare the numbers displayed with those shown on the phone box or under the battery.
3. If the IMEI is missing or incorrect, recovery is required.

To restore the IMEI on Redmi 7A:

• 🔧 Use the engineering menu: dial ##4636## → Phone information → check the status IMEI.
• 📱 If IMEI Reset, you will need firmware through Fastboot or specialized utilities (for example, Maui) META).

Unlocking LTE frequencies (if the operator uses non-standard bands):

• 📡 Install Network Signal Guru from Google Play.
• 🔍 Check what frequencies LTE available in your area.
• 🛠️ If the desired frequency is blocked, a modified firmware (for example, Custom) will be required. ROM).

💡

If the phone's IMEI doesn't match the original or doesn't, 4G communication won't work. IMEI recovery is a complicated procedure, and errors can turn the phone into a brick.

6. Alternative ways to enable LTE

If standard methods don’t work, try these options:

Method 1: Engineering Menu (MTK)

Redmi 7A is built on the Qualcomm Snapdragon 439 chip, but some firmware modifications allow you to activate hidden settings:

1. Dial ##4636###.
2. Select Phone Information.
3. Scroll down to Set your preferred network type.
4. Select LTE only or LTE/WCDMA/GSM auto.

Method 2: Applications for forced 4G switching on

Google Play has utilities that help enable LTE bypassing system constraints:

• 📲 4G LTE Switch – switches network modes.
• 📡 Network Signal Speed - shows the available frequencies.
• 🔧 MTK Engineering Mode – for advanced settings (power users only!).

⚠️ Attention: Compulsory inclusion annexes LTE They can conflict with firmware and cause communication loss, and only use them if other methods have not worked!

Method 3: Resetting network settings

If all previous steps have failed, reset:

1. Open Settings → System → Reset.
2. Select Network Resetting.
3. Confirm the action and restart the phone.
4. After restarting, reset the APN (instruction in Section 3).

FAQ: Frequent questions about LTE on the Redmi 7A