Where to look for system settings in Xiaomi: from MIUI 12 to MIUI 15

Have you just bought a new Xiaomi, Redmi or POCO smartphone but can’t find the right options in the maze of the MIUI menu? or have the usual controls disappeared after the update? System settings in Xiaomi firmware are often hidden behind non-obvious paths, and their location varies from version to version. This article will help you understand where to look for hidden features, how to open the section for developers, and why some options may not be on your model.

We analyzed MIUI 12-MIUI 15 interfaces on more than 20 devices (from Redmi Note 8 Pro to Xiaomi 14 Ultra) and identified universal ways to access system parameters. There are no general tips here, only specific paths relevant for 2026, taking into account regional versions of firmware and features of iron platforms (from Snapdragon to Dimensity).

Why Xiaomi’s system settings are so hard to find

MIUI firmware is known for its customization, but it costs a lot to organize the menu in an illogical way, and here are the main reasons why users get lost:

• 🔄 Frequent reshuffling: B MIUI 14 item "For developers" moved from "Additional" to "About the phone", and in MIUI 15 he was moved again.
• 🌍 Regional differences: Global versions lack “Security” (its functions are distributed in other sections), while Chinese versions do not have Google services.
• 📱 Hardware restrictions: POCO F5 Snapdragon 7+ Gen 2 is available with performance settings that are not available on Redmi 12C helio G85.
• 🔒 Hidden functions: Telecom operators (such as MTS or Beeline) can block access to certain network parameters.

In MIUI 15 Global, more than 40% of system settings are hidden behind “additional settings” or require activation via an engineering menu, for example, adjusting the screen color profile (sRGB/DCIP3) is only available after the developer mode is turned on.

The main ways to open system settings

There are three universal methods of accessing system parameters that work on the 95% device Xiaomi/Redmi/POCO:

1. Through the notification panel, swipe down from the top of the screen to open the curtain. ⚙️ In the upper right corner, this will open the basic settings, for quick access to frequently used settings (e.g., the scaling up of the scaling up of the scaling up, NFC or Game Mode) Hold the corresponding icon with your finger for 2 seconds.
2. Search by settings At the top of the menu "Settings" there is a search bar (magnifying glass) 🔍). Enter the request in Russian or English, for example: 🔋 battery → Opens "Battery and performance" 📶 APN → redirected to the Mobile Network → Access points" 🛠️ developer → It will show "Developers" (if the partition is activated)

Voice assistant

Activate Google Assistant or Xiao AI (in Chinese firmware) and say:

• 🎤 "Open the network settings"
• 🎤 "Show me your phone information"
• 🎤 "Turn on the developer mode"

How to return the missing settings after the update

After upgrading to MIUI 15 or HyperOS, users often experience the disappearance of their usual menu items.

⚠️ Note: If the "For Developers" section is missing after the update, it must be activated again - the previous activation is reset.

• 🔄 Resetting the Settings app: Go to Settings → Annexes → Application management → Settings (⚙️) → Warehouse → Clear the data. That'll bring back the standard menu structure.
• 📲 Installation of regional firmware: If you use Global ROM, There are no options, try to get back to the EEA (Europe) or India via fastboot. For example, the Indian version of Redmi Note 12 has VoWiFi settings that are not available in the global version.
• 🔧 Manual addition through ADB: For power users: connect your phone to your PC and follow the command: adb shell settings put global hidden_api_policy 1 It'll reveal the hidden. API-settings (works on Android) 10+).