How To Use Secret Codes On Xiaomi 11t Pro Online

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Here’s a structured, interesting summary of how to use secret codes on the (MIUI/HyperOS), including what works, what doesn’t, and safety tips. 1. What Are “Secret Codes”? Secret codes (USSD/MMI codes) are numeric strings you dial in the Phone app to access hidden menus, test hardware, or retrieve device info (IMEI, battery stats, sensors). How to Use Secret Codes on XIAOMI 11T Pro