Android Secret Codes - Best List of USSD, Dialer, MMI Code

Unlock the full potential of your Android device by using secret codes. Secret codes are hidden codes useful in accessing advanced features and completing things quickly. In Android, we have multiple USSD secret codes, but most users don’t know about them. So, in this, we will mention some useful Android USSD secret codes category-wise so you can use them and operate your Android phone smartly.

Android Codes List for Troubleshooting

1. Test Vibration and Backlight: ##0842##
2. Run Google Play Services Diagnostics: ##426##
3. Test Audio and Melody: ##0673## or ##0289##
4. Test Packet Loopback: ##0283##
5. Display Diagnostic Configuration: *#9090#
6. Test Proximity Sensor: ##0588##
7. Test Bluetooth: ##232331##
8. Access System Dump Mode: *#9900#
9. Check Battery Status and Details: *#0228#
10. Open RIL DUMP menu: *#745#
11. Field Test: ##7262626##
12. Control 12C Mode Control: *#7284#
13. Test Light Sensor: *#0589#
14. Phone Backup: ##273282255663282*##
15. Display GCF Mode Status: *#3214789#
16. Quick Test Menu: *#7353#
17. Test Real-Time Clock: #0782*#
18. Open Debug Dump Menu: *#746#
19. USB Logging Control: *#872564#

MMI Secret Codes Based on Smartphone Manufacturer

Samsung

1. IMEI Number: *#06#
2. Phone Information: ##4636##
3. Soft Reset: #7780##*
4. Firmware Version: #1234#
5. Hard Reset: 2767*3855#
6. Product Code: 2767*4387264636#
7. Battery Status: #0228#
8. Service Menu: #0011#
9. Hardware Diagnostics: #0#
10. GPS Test: ##1472365##
11. Service Mode Main Menu: ##197328640##
12. Auto SIM Lock: #746562528746#

Google

1. IMEI Number: *#06#
2. Phone Information: ##4636##
3. Factory Soft Reset: ##7780## or *#7780#
4. Hardware Diagnostics: #0#
5. Service Mode Main Menu: ##197328640##

Xiaomi

1. Phone Information: ##4636##
2. IMEI Number: *#06#
3. Hardware Diagnostics: #0# (May vary by model)

Oppo

1. Bluetooth Test: *#805#
2. IMEI Number: *#06#
3. Hardware Version: *#888# or *#06#
4. Engineering Mode (Basic): *#800# (May vary by model)
5. Engineering Mode (Network): *#803#
6. GPS Test: *#802#
7. Screen Light Test: *#99#

Vivo

1. IMEI Number: *#06#
2. IMEI (QR & Barcode): *#09#
3. Phone Information: ##4838##
4. Engineering Mode: ##558#
5. Mobile FCM Diagnose: ##426#
6. Calendar Information: ##225##

Hidden Codes for Android to Manage Calls and Messages:

1. Caller ID On: *31#
2. Caller ID Off: #31#
3. Call Waiting On: *43#
4. Call Waiting Off: #43#
5. Display Call Forwarding: *#67#
6. SMS Message Center Number: 50057672#

Android Secret Codes For Managing Phone Settings

1. Display WLAN Status, Battery Info, and Usage: ##4636##
2. Local Network Information: 3001#12345#
3. Storage Information: #3282727336*#*
4. RF Band Selection: *#2263#
5. Access Service Mode: ##197328640##
6. Billing Information: *3282#
7. Change Power Button Function: ##7594##
8. Display Calendar Data: ##225##

Conclusion

Mobile phones are amazing. They come with multiple functionalities and great features. While the majority of features and usability options are visible and easily accessible, there are some hidden codes that help you use your Android device smartly and save time. In this post, we have shared several useful secret USSDs that will elevate your phone-using experience. Do use them, and share this post with others as well.