How to Enable Engineering Mode on Xiaomi Phones HD

Xiaomi smartphones provide an easy method for checking the proper working of its hardware for notifying the apps causing a problem for the smooth functioning of the smartphone. By using this feature, one can easily perform a hardware test on Xiaomi device by either a complete hardware test or single tests. Step 1: Open your Dialpad. Step 2: Type the code *#*#6484#*#* Step 3: After entering the last digit Engineering mode will open automatically Test items 1. Check version info 2. SIM card 3. Keyboard test 4. Vibrator Test 5. Notification light(LED) 6. Touch sensor 7. Display 8. Receiver 9. Speaker 10. Main MIC 11. Top MIC 12. Headset test 13. FM Radio 14. Proximity sensor 15. Wi-Fi AP Scan 16. Wi-Fi Address 17. Bluetooth scan 18. Get Bluetooth address 19. Accelerometer 20. Gyroscope 21. Magnetic sensor 22. Light sensor 23. OTG 24. Charger Test 25. Rear camera 26. Front camera 27. Ultra camera 28. Macro camera 29. Depth camera 30. Bokeh camera 31. NFC test 32. GPS 33. Battery indicator 34. Sar Sensor Data Collect 35. Fingerprint sensor check 36. Fod fingerprint input test