Xiaomi 15T: Two Methods to Enter Test Mode for Hardware Diagnostics

Accessing Xiaomi 15T Test Mode via Settings

• ⚙️ Navigate to Settings on your Xiaomi 15T.
• ℹ️ Select About phone, then tap on Detailed info.
• 👆 Locate and tap the Kernel version four times to access the test menu.

Available Hardware Tests

• 🔍 The test mode offers a comprehensive suite of diagnostics, including tests for SIM card, vibrator, keyboard, and backlight.
• 💡 You can also test critical components like the touch sensor, display, receiver, and various speakers (bottom and top).
• 🎤 Microphone functionality can be verified with tests for the main mic, top mic, and back mic.
• 📶 Additional tests include headset functionality, Wi-Fi AP scan, Wi-Fi address, and Bluetooth scan.
• 📊 Access history test results and additional tools through the settings menu.

Entering Test Mode via Dialer Code

• 📞 An alternative method to quickly access some test specifications is by using the dialer.
• ⌨️ Type a specific dialer code to enter the test mode.
• ✅ This method provides a faster way to run certain hardware checks on your Xiaomi 15T.