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.
