How+to+use+secret+codes+on+samsung+galaxy+a7+2+work ^hot^ Jun 2026
Now go ahead—open your dialer, type *#0*# , and watch the hidden test menu of your Galaxy A7 come to life. Just be careful what you touch in there.
: Input the specific string precisely. Most Samsung strings begin with an asterisk ( * ) and a hashtag ( # ) and end with a hashtag ( # ).
Opens advanced firmware settings where you can force-refresh the Wi-Fi and Touch Screen Panel (TSP) firmware. *#9900#
Shows your exact model number and firmware versions (AP, CP, and CSC).
The menu will usually open once the last character is entered. If it does not, tap the Call button. how+to+use+secret+codes+on+samsung+galaxy+a7+2+work
Shows detailed battery information, including voltage, level, and temperature.
. These codes, often called USSD or MMI codes, trigger hidden diagnostic menus and system information screens. How to Enter Secret Codes
Provides real-time network information such as signal strength and band.
On Dual-SIM models, some system menus can be confused by the presence of two SIM cards. Try removing one SIM or switching to the other before dialing. Now go ahead—open your dialer, type *#0*# ,
Displays the current touchscreen firmware version and allows you to force a firmware update (only if required). 3. Advanced Service and System Codes
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.
*#0011# – Displays real-time cellular network parameters, including connected bands, signal strength (RSRP/RSRQ), carrier aggregation status, and Wi-Fi details. Why Aren't My Secret Codes Working?
Enter #0 # and press the Call button to access this menu. Most Samsung strings begin with an asterisk (
: Spins the internal motor at maximum speed to check haptic feedback.
Allows you to draw on a grid to test for dead zones on the digitizer touch screen.
Before you start exploring, keep these important points in mind: