Certain mobile network operators disable testing menus (like the network selection menu) to prevent users from altering cellular band preferences.

This menu displays real-time data about your network connection. It shows signal strength, current data networks, and SIM slot status. You can force your phone to lock onto specific bands, such as "5G Only" or "LTE Only," which is useful if your network frequently drops to 3G. 3. View the IMEI Number Code: *#06# Purpose: Device identification.

The Xiaomi 11T Pro runs on MIUI (Xiaomi’s Android skin), which contains a hidden layer of diagnostic and testing tools known as "Secret Codes" or "USSD codes." These codes allow you to access specific hardware tests, service menus, and hidden settings that are not visible in the standard settings menu.

The following codes are confirmed to work for the Xiaomi 11T Pro and similar MIUI-based devices: IMEI Information (

Using secret codes on your Xiaomi 11T Pro is straightforward. It requires no special software, rooting, or unlocking of the bootloader.

Instantly displays your device's unique IMEI numbers and serial number (critical for blacklists or insurance). *#*#225#*#* Shows current calendar events and storage details. FCM Diagnostics *#*#426#*#*

This article provides a complete guide on using these codes, their functions, and essential precautions to ensure you get the most out of your device without any risk.

Xiaomi 11T Pro secret codes give you instant access to hidden diagnostic menus, hardware tests, and advanced configuration screens without installing third-party apps. These codes are strings of numbers and symbols—usually starting and ending with asterisks (*) and hashtags (#)—that trigger built-in developer tools when typed directly into your phone's default dialer app.

Sometimes called mode, this code also takes you to a hardware testing menu similar to the one above. It's a comprehensive suite for diagnosing and testing almost every hardware aspect of your phone. Here's a glimpse of what's included: