This section isolates your wireless chip. It lets you view specific Wi-Fi configurations, toggle network states safely, and display internal connection metrics. 2. FCM Diagnostics ( *#*#426#*#* )
Use *#*#4636#*#* → Phone info → Set preferred network type to NR/LTE . If still dropping, use *#*#25327#*#* to lock to a stronger 5G band manually.
Instantly displays your phone's unique 15-digit International Mobile Equipment Identity (IMEI) number and device serial number. This is highly useful if you are reporting a lost phone, unlocking your device, or verifying your warranty status. 2. The Testing Menu (Phone Information) Code: *#*#4636#*#*
You may find lists online claiming codes like *#0*# (Samsung LCD test) or ##786# (RTN) work on all phones. They do not. how to use secret codes on sharp aquos sense 5g upd
Displays a summary of all events, birthdays, and holidays synced to your device’s calendar storage in one place. Review: Are they worth using?
Here, you can view your current signal strength in dBm, voice network type, and data service status. Crucially, it allows you to run a Ping Test to verify if your 5G radio can actively resolve IP addresses. You can also force your phone into specific network configurations if your 5G connection is unstable.
Carefully type the secret code sequence (e.g., *#*#4636#*#* ). This section isolates your wireless chip
View your IMEI, current network, signal strength, and ping test results. You can also run a radio test and toggle your preferred network type (e.g., forcing 5G or LTE only).
Change the selection to (New Radio represents standalone 5G) or NR/LTE to ensure the phone prioritizes 5G over older bands.
Displays Specific Absorption Rate (SAR) values for radiofrequency energy. Open the Dialer : Tap the phone icon on your home screen. FCM Diagnostics ( *#*#426#*#* ) Use *#*#4636#*#* →
: Instantly displays your device's unique 15-digit IMEI number. *#*#4636#*#* (Testing Menu) : Opens a detailed menu containing: Phone Information
| Code | Function & Description | | :--- | :--- | | | IMEI Number Checker : Instantly displays your device's unique 15-digit IMEI (International Mobile Equipment Identity) number . You'll need this for everything from unlocking your phone to filing an insurance claim. For dual-SIM phones, you'll see two numbers. | | *#07# | SAR Value : Shows the Specific Absorption Rate (SAR) value of your device, which is the measure of the rate at which your body absorbs radiofrequency energy from the phone's antenna. | | *#*#225#*#* | Calendar Storage : Opens a menu displaying information from your calendar, such as upcoming events, birthdays, and anniversaries. | | *#*#426#*#* | Google Play Services Debug : A very handy tool for developers and tech-savvy users. It provides detailed network connection information for Google Play Services and includes buttons to run diagnostics like PING, CONNECT, and DISCONNECT . | | *#*#4636#*#* | Universal Android Testing Menu : One of the most powerful secret menus. Here you can find detailed information about your phone, including Battery Stats, Usage Statistics, and a deep dive into Wi-Fi and cellular radio information. | | *#*#759#*#* | RLz Debug UI : Grants access to a hidden Google partner setup and RLz (Referral) debug interface. This is a more advanced menu generally intended for debugging purposes. | | *#12580*369# | Software and Hardware Info : Displays a comprehensive overview of your phone's software versions and key hardware information, which can be useful for troubleshooting. | | *#2663# | TSP / TSK Firmware Update : This code is likely used for updating the firmware of the touchscreen panel (TSP) and other related components, though it's not recommended for casual use. | | *#0*# | General Test Mode (Info Menu) : Launches a general test menu that may allow you to check various hardware components like the display, camera, and sensors on your device. | | *#*#0283#*#* | Audio Loopback Control : Opens the controls for an audio loopback test, a diagnostic tool often used to test the device's microphone and speaker circuit. You can also enter *#0283# . |