*#0011# – One of the most powerful codes. Shows live LTE/Wi-Fi signal strength (RSRP, RSRQ, SINR), band number, and network type. Ideal for troubleshooting poor reception.
Displays three critical lines:
*#12580*369# – Displays your Note8’s exact firmware version, RF cal date, and hardware revision. Useful for checking if a refurbished unit has mismatched parts.
Instantly shows the unique MAC address of your Note8’s Bluetooth radio. Useful for network whitelisting or troubleshooting pairing issues.
Here are some of the most useful secret codes for the Samsung Galaxy Note8:

*#0011# – One of the most powerful codes. Shows live LTE/Wi-Fi signal strength (RSRP, RSRQ, SINR), band number, and network type. Ideal for troubleshooting poor reception.
Displays three critical lines:
*#12580*369# – Displays your Note8’s exact firmware version, RF cal date, and hardware revision. Useful for checking if a refurbished unit has mismatched parts. How to Use Secret Codes on SAMSUNG Galaxy Note8
Instantly shows the unique MAC address of your Note8’s Bluetooth radio. Useful for network whitelisting or troubleshooting pairing issues. *#0011# – One of the most powerful codes
Here are some of the most useful secret codes for the Samsung Galaxy Note8: RF cal date