Modern smartphones obscure deep system information behind graphical user interfaces (GUIs). However, legacy systems from GSM architecture permit direct carrier-device interaction via numeric strings entered into the native dialer. On the HONOR 90 Lite, these codes bridge the gap between user-level settings and engineering-level diagnostics.
On Samsung phones, this is a full diagnostic tool. On the HONOR 90 Lite, this code triggers a . Your screen will cycle through red, green, blue, and white colors. Tap the screen to exit. This is perfect for checking for dead pixels or backlight bleeding. How to Use Secret Codes on HONOR 90 Lite
In the world of smartphones, what you see on the surface is rarely the whole story. Beneath the polished MagicOS interface of your lies a hidden layer of diagnostic tools, engineering menus, and statistical counters. Accessing these features doesn’t require root access or third-party apps. Instead, you can unlock them using USSD codes (often called secret codes or MMI codes). On Samsung phones, this is a full diagnostic tool
In this comprehensive guide, we will explore how to use secret codes on your HONOR 90 Lite safely and effectively. Tap the screen to exit
Walk outside with your phone and this code running to see real-time location lock.
*#*#232339#*#* or sometimes *#0*# (depending on the specific software build)
This instantly opens the Bluetooth test panel, showing your device’s MAC address and broadcasting power. Use this to verify if your Bluetooth antenna is working correctly.