VoLTE (Voice over LTE) is a technology that allows voice calls to be transmitted over the internet, rather than through traditional analog voice channels. Whether you’re using a Redmi Note 8 Pro, Xiaomi Mi A2, or any other Xiaomi, Redmi, or POCO device, VoLTE converts your voice from analog to digital and transmits it in the form of data packets across the network.

🔹 What Is VoLTE and How Does It Work?

When VoLTE is enabled on your Xiaomi device, voice data is sampled and compressed more efficiently, allowing transmission speeds of up to 13 Kbps — compared to the 8 Kbps limit of traditional phone calls.
This means you get crystal-clear voice quality, faster call connection times, and a smoother communication experience overall.

You might also like: The hidden MIUI diagnostic menu that lets you check the performance of your Xiaomi device.

Unlike other high-quality voice technologies such as VoIP calls (Skype, Viber, WhatsApp, etc.), VoLTE consumes less battery power, making it more energy-efficient for everyday use.

Additionally, since it transmits as a digital signal, VoLTE can work seamlessly over Wi-Fi and 4G networks, enabling advanced features and a better call experience compared to standard GSM voice calls.

🔹 How to Enable VoLTE on Xiaomi, Redmi, or POCO Phones

By default, VoLTE is often disabled on Xiaomi smartphones. To activate it, follow these simple steps:

  1. Open the dialer and enter this code:
    *#*#86583#*#*
    You’ll see the message “VoLTE carrier check was disabled”, confirming that VoLTE is now enabled.

  2. Go to:
    Settings > SIM cards & mobile networks

  3. Find and activate the option “Use VoLTE”.

  4. If you’re using a dual-SIM Xiaomi device, you can enable VoLTE separately for each SIM:
    Settings > SIM cards & mobile networks > SIM 1 / SIM 2 > Use VoLTE

After activation, your Xiaomi device can make HD-quality voice calls through 4G, LTE, or even Wi-Fi, depending on your network coverage and whether your carrier supports VoLTE.

🔹 Benefits of Enabling VoLTE on Xiaomi Devices

✅ HD Voice Quality: Clearer, more natural voice calls compared to 2G/3G networks.
✅ Faster Call Setup: Calls connect instantly without delay.
✅ Data + Voice Together: Continue browsing or using data while on a call.
✅ Battery Efficiency: Consumes less power than VoIP apps.
✅ Wi-Fi Calling Support: Improved indoor coverage and stable connections.

🔹 Conclusion

Activating VoLTE on your Xiaomi, Redmi, or POCO phone offers a noticeable upgrade in call quality, speed, and reliability.
With just a few quick steps, you can enjoy HD voice calls, better connectivity, and energy efficiency — making your smartphone communication experience smoother than ever.

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