Ultimate List of Android Secret Codes: Network, Battery, Hardware & Hidden Diagnostics - USSDCodes

Ultimate List of Android Secret Codes: Network, Battery, Hardware & Hidden Diagnostics - USSDCodes

#AndroidSecrets #HiddenCodes #USSDCodes #Redmi13 #XiaomiTips #SamsungHiddenFeatures #BatteryTest #NetworkInfo #HardwareTest #TechTips #khabarface2face

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📱 ANDROID SECRET / HIDDEN CODES (Full Reference)

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These codes are used for testing, diagnostics, and system information on Android devices.

Dial these codes directly in your phone dialer (without pressing the call button unless required).

⚠️ Use only safe codes if you’re not a technician. Some may reset or erase your data.

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A. GENERAL ANDROID SECRET CODES

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*#*#4636#*#*    → Opens “Testing Menu” – Network, battery, usage, and Wi-Fi information.

*#*#7780#*#*    → Factory data reset (soft reset – removes apps and data, keeps system files).

*2767*3855#     → Hard reset (complete factory format – erases everything including firmware).

*#06#           → Displays IMEI number(s).

*#*#7594#*#*    → Changes power button behavior.

*#*#273283*255*663282*#*#* → File copy screen – backup media files.

*#*#197328640#*#* → Service/engineering mode.

*#*#232339#*#*  → Wi-Fi test (transmit/receive).

*#*#1472365#*#* → Quick GPS test.

*#*#1575#*#*    → Full GPS test.

*#*#2664#*#*    → Touchscreen test.

*#*#0*#*#*      → LCD display test (colors and pixels).

*#*#0842#*#*    → Vibration and backlight test.

*#*#0283#*#*    → Loopback (microphone/speaker) test.

*#*#0588#*#*    → Proximity sensor test.

*#*#0673#*#* or *#*#0289#*#* → Audio/melody test.

*#*#3264#*#*    → RAM version information.

*#*#1111#*#*    → FTA software version.

*#*#1234#*#*    → Firmware version.

*#*#232331#*#*  → Bluetooth test.

*#*#232337#*#*  → Bluetooth device address.

*#*#8255#*#*    → GTalk service monitor.

*#*#8351#*#*    → Start voice call recording test.

*#*#8350#*#*    → Stop voice call recording test.

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B. NETWORK & CONNECTIVITY CODES

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*#*#4636#*#*    → Network testing and info (5G/4G switch, signal strength, etc.)

*#*#7262626#*#* → Field test / Service mode.

*#0011#         → Service mode status (for Samsung).

*#9090#         → Diagnostic configuration mode.

*#2263#         → Band selection (manual choose 2G/3G/4G/5G).

*#*#232338#*#*  → Wi-Fi MAC address.

*#*#526#*#*     → Wi-Fi test (low-level).

*#*#232339#*#*  → Wireless LAN test.

*#*#4636#*#*    → LTE/NR network mode selection (NR only, LTE only, etc.)

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C. BATTERY & POWER CODES

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*#0228#         → Battery status – voltage, level, temperature.

*#*#4636#*#*    → Battery health, temperature, charging source.

*#9998*228#     → Battery monitor (older Samsung devices).

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D. HARDWARE TEST CODES

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*#0*#           → Full hardware test (Samsung).

*#*#2663#*#*    → Touchscreen version/calibration.

*#*#3264#*#*    → RAM version info.

*#*#2664#*#*    → Touch test.

*#*#0842#*#*    → Vibration test.

*#*#0283#*#*    → Loopback audio test.

*#*#0673#*#*    → Sound test.

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E. SECURITY & DEVICE IDENTITY

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*#06#           → IMEI number(s).

*#12580*369#    → Software & hardware version.

*#232338#       → Wi-Fi MAC address.

*#272*IMEI#     → Sales code setup (carrier customization).

*#7465625#      → SIM/network lock status.

*#*#4986*2650468#*#* → Firmware and hardware version.

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F. DEVELOPER / ENGINEERING MODE

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*#*#3646633#*#* → Engineering mode (MediaTek devices).

*#*#2486#*#*    → QC test menu (Qualcomm devices).

*#*#8377466#*#* → Engineering test (Huawei).

*#*#2846579#*#* → Project menu / advanced hardware settings (Huawei/Honor).

*#15963#*#*     → LTE/NR band engineering setup.

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G. BACKUP / RESTORE / UPDATE

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*#*#273282*255*663282*#*#* → Data backup – copy media files.

*#*#7262626#*#* → Field test mode / data logs.

*#*#1472365#*#* → GPS configuration / reset.

*#*#8736364#*#* → OTA update check (manual firmware update).

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H. BRAND-SPECIFIC CODES

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SAMSUNG: *#0*#, *#0011#, *#0228#, *#06#, *#1234#

XIAOMI / REDMI / POCO: *#*#6484#*#* → CIT hardware test.

REALME / OPPO: *#899# → Engineering test / diagnostics.

ONEPLUS: *#808# → Hardware test mode.

HUAWEI / HONOR: *#*#2846579#*#* → Project/diagnostic menu.

MOTOROLA: *#*#2486#*#* → QC test mode.

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I. SAFE TOP 10 DAILY USE CODES (Recommended for Redmi 13 5G)

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1. *#*#4636#*#*  → Network, signal, battery, and Wi-Fi details.

2. *#06#         → Show IMEI number.

3. *#*#6484#*#*  → Hardware test (camera, sensor, speaker, mic).

4. *#*#2664#*#*  → Touchscreen test.

5. *#*#0289#*#*  → Sound test.

6. *#*#0842#*#*  → Vibration and backlight test.

7. *#*#232338#*#* → Wi-Fi MAC address.

8. *#*#3264#*#*  → RAM info.

9. *#*#1472365#*#* → GPS test.

10. *#0228#      → Battery condition.

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J. NOTES AND WARNINGS

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• Codes vary by manufacturer and Android version.

• Some can factory reset or wipe data immediately.

• Always verify before pressing the final #.

• Use *#*#4636#*#* for safe 5G/LTE testing and preferred network selection.

• For Redmi/Xiaomi: *#*#6484#*#* opens the full CIT test interface safely.

• Not all features are available on every device or carrier.

• These codes are for diagnostic and informational use only.