Have you noticed a mysterious VoLTE icon in your Xiaomi Redmi 7 notification bar and don’t know what it means? orperhaps calls are interrupted and the Internet disappears during a conversation? This feature, despite its advantages, can be uncomfortable – especially if your carrier does not support it correctly or you are in an area with unstable 4G coverage.
In this article, we'll look at what VoLTE (Voice over LTE) is, why it activates automatically on Redmi 7, and most importantly, how to turn it off completely or at least remove the label from the status bar. You'll learn everything from standard Android settings to hidden engineering menus, and if you have communication problems after deactivation, we'll show you how to get it back.
Important: the instructions in this article are relevant for Xiaomi Redmi 7 (onclite model) based on MIUI of any versions, including global and Chinese firmware. If you have another model (for example, Redmi Note 7 or Redmi 7A), the methods may be partially different - check for menu items.
What is VoLTE and why does it appear on Redmi 7?
VoLTE (Voice over LTE) — This is a voice transmission technology over the network. 4G, This allows you to call without switching to old standards (3G/2G). In theory, this should improve communication quality and speed up connection installation. 7 frequently encountered:
- 📶 Internet Disappearance During a Call (if VoLTE is Unstable).
- 🔋 Increased battery consumption due to constant network search 4G.
- 📞 Call breaks in areas with weak coverage LTE.
- 🔍 The appearance of an annoying icon in the upper panel that does not retract.
On Redmi 7, VoLTE is activated automatically if:
- Yours. SIM-The card supports the technology (most modern operators in Russia, Ukraine, Kazakhstan and other CIS countries support it).
- The network settings enable 4G (preferably) or 4G only.
- Operator firmware or MIUI update forced the option to be turned on (often after system upgrades).
The problem is that even if VoLTE doesn’t work (for example, due to lack of coverage), the icon can stay on the screen and the phone will try to connect unsuccessfully, which leads to battery drain and crashes.
Method 1: Disable VoLTE via standard MIUI settings
The easiest method is to deactivate the feature in the settings menu. On Xiaomi Redmi 7, the path may vary slightly depending on the version of MIUI, but the general scheme is as follows:
- Open the Settings app (the gear icon on the desktop).
- Go to section. SIM-maps and mobile networks.
- Choose yours. SIM-card (if two of them).
- Tap on the network type or preferred network type.
- In the list of options, select 3G or 2G/3G (auto) to disable forced use of 4G for calls.
If you're in your version MIUI There is a separate VoLTE switch (usually located there, in the settings) SIM-If you want to move the slider to the "Off" position, then the icon should disappear in 1-2 minutes.
☑️ Verification of VoLTE shutdown
⚠️ Warning: If your mobile internet is lost after VoLTE is turned off, return your network settings to their original state. 4G to transmit data, even if the calls are 3G. In this case, try method 3 (engineering menu).
Method 2: Remove the VoLTE icon without disabling the function
Sometimes users want to leave VoLTE on (for example, for better call quality), but remove the inscription from the top panel, which requires a hidden System UI Tuner menu, which is on Android, but often hidden in MIUI.
- Deploy the notification panel and hold your finger on the icon ⚙️ (Settings) in the upper right corner 5-10 seconds until the System message appears UI Tuner added to the settings.
- Go to Settings. → Additionally. → System UI Tuner.
- Go to the Status Line tab.
- Find the VoLTE item and turn it off.
If System UI Tuner is not available in your MIUI version (which is often the case on new firmware), try an alternative method:
- 📱 Install Notification Log from Google Play.
- 🔧 It can manually filter notifications, including system icons (rights required) ADB).
The disadvantage of this method: the icon can return after restarting or updating the system. For a permanent solution, it is better to use the engineering menu (mode 3).
Method 3: Disable VoLTE via the Engineering Menu (for the experienced)
If you don't have the standard settings, you'll have to go to the Engineering Mode, which is the hidden part of Android where you can manage your modem settings. Be careful, the wrong changes can lead to network loss!
Instructions for Xiaomi Redmi 7:
- Open the Phone app and enter the combination: ##4636## After that, the Testing menu will open.
- Go to the Phone Information (or Phone Information) tab.
- Scroll down to the Set preferred network type block.
- Select LTE/WCDMA/GSM auto (PRL) or WCDMA only (to completely disable 4G).
- Press Turn off radio, then Turn on radio.
To completely shut down VoLTE:
- In the same menu, find the option VoLTE Provisioning.
- If you have Enabled nearby, tap it and select Disabled.
After these actions, the icon should disappear, and calls will go over 3G. If the menu is in English, use a translator or focus on the screenshots at the end of the article.
⚠️ Note: Some Redmi 7 firmware may have the engineering menu blocked. In this case, try entering the code through the app MTK Engineering Mode (for MediaTek processors).
Method 4: Disable VoLTE via ADB (for advanced)
If none of the previous methods worked, it remains. ADB-This method requires connecting the phone to the computer and enabling debugging. USB, It's 100% effective.
Step-by-step:
- Download and install ADB Tools on PC.
- Turn it on on the phone: 🔌 Settings → The phone. → Version. MIUI (Tap 7 times to activate the developer mode). 🖥️ Settings → Additionally. → For developers → Debugging by USB.
Redmi 7
adb shell settings put global volte_vt_enabled 0Then:
adb shell settings put global enhanced_4g_lte 0Reboot the phone.
To get VoLTE back, replace the 0 by 1 commands, which works even on locked firmware where the engineering menu is not available.
💡
If ADB does not recognize the device, install Mi PC Suite drivers or use Google USB Driver universal drivers.
What to do if the VoLTE is not shut down
If you’ve tried all the ways, but the VoLTE icon remains and calls are still going over 4G, the problem may be:
| Reason. | Decision |
|---|---|
| The operator has forced the activation of VoLTE on SIM-map | Contact the communication salon with a request to disable the service (sometimes it helps to replace the SIM with a new one). |
| Firmware MIUI with a bug (often on Chinese versions) | Upgrade your phone to the latest stable version or reflash to global MIUI. |
| Conflict with network management applications (e.g. Network Signal Guru) | Remove all programs related to setting up communication and restart the phone. |
| Hardware malfunction of the modem | If nothing helps, contact the service center – you may need to replace the antenna module. |
Also check if Wi-Fi Calling is enabled - it may conflict with VoLTE. → SIM-map → Additionally. → Wi-Fi calls.
How to find out the MIUI version on Redmi 7?
VoLTE vs 3G: What’s Best for Redmi 7
Before you turn off VoLTE, you should weigh the pros and cons.
- ✅ The Pros of VoLTE: 🎤 Clearer sound (broadband codec) HD Voice). ⚡ Fast connection (call set in 1-2 seconds). 🌐 The opportunity to use 4G-Internet during conversation.
- ❌ Cons of VoLTE: 🔋 Increased battery consumption (modem operates in two modes simultaneously). 📶 Dependence on coverage 4G (In rural areas, it may not work). 🔄 Possible bugs in the firmware MIUI (The badge doesn't disappear, the calls stop).
On the Redmi 7, with its modest Snapdragon 632 processor and 4,000mAh battery, VoLTE can be an unwarranted luxury. If you don't notice the difference in call quality, you'd better turn off the feature and switch to 3G, which will extend battery life by 10 to 15 percent.
💡
If you travel frequently or are in places with unstable 4G, disabling VoLTE on Redmi 7 will help avoid communication problems.In cities with good coverage, the feature can be useful.