: Instantly displays your device's unique identification numbers. (Firmware Version)
Tap the Keypad tab to reveal the standard number dialing interface.
Secret and Hidden Codes for SAMSUNG Galaxy A7 (2018) IMEI Number. *#06# Test Mode. *#0*# Battery Status. *#0228#* USB Settings. *# HardReset.info Samsung's Secret Hidden Menu - Now, You're An Expert!
: This is the most comprehensive diagnostic menu. Use it to test: : Check for dead pixels using Red, Green, and Blue screens. how+to+use+secret+codes+on+samsung+galaxy+a7+2+work
Occasionally, newer Android versions (like One UI) relocate or disable older legacy codes.
| Code | Function | |------|-----------| | *#0*# | Hardware test menu (LCD, touch, sensors, camera, etc.) | | *#0011# | Service mode (signal strength, network info) | | *#0228# | Battery status (voltage, temperature) | | *#0808# | USB settings (MTP, ADB, etc.) | | *#1234# | Show firmware version (AP, CP, CSC) | | *#12580*369# | Software/hardware info | | *#2663# | Touchscreen firmware version | | *#34971539# | Camera firmware details | | *#7353# | Quick test menu (speaker, mic, vibration) | | *#9900# | System dump & log menu (advanced) |
She started by unlocking her phone and opening the dialer. Remembering a tip from a forum, she carefully typed *#06# to reveal the IMEI number. It appeared instantly; she photographed it and stored the image in a secure notes app for when she needed it for warranty or carrier support. *#06# Test Mode
If you try these, treat them as quick tools: check IMEI, run diagnostics, review firmware and battery info, but avoid codes that alter or reset the phone unless you’re prepared.
*#9900# – : Allows you to click "Delete dumpstate/logcat" . This completely purges stale system log files, instantly clearing cached storage space and accelerating performance. 3. Firmware and Battery Information Codes for SAMSUNG Galaxy A7 (2018) - HardReset.info
If you are experiencing a specific hardware issue with your Samsung A7—such as , speaker issues , or network connectivity problems —let me know. I can guide you on which specific code to use for troubleshooting. *# HardReset
: Carefully input the code sequence, beginning with an asterisk ( * ) or hash ( # ) and concluding with the terminal character.
AT&T, Verizon, and some regional carriers disable USSD codes that expose network or hardware info. If you bought a carrier-locked A7 (e.g., A750W for Canada), expect fewer working codes.
: Allows you to delete junk system log files, which can help free up internal storage and improve speed. (USB Settings)