The SAMSUNG Galaxy Note8, released in 2017, remains a beloved phablet for its massive display, powerful S Pen, and robust build quality. But beneath its sleek glass and metal exterior lies a hidden world of diagnostic tools, service menus, and engineering screens. These are accessed via "secret codes" — USSD codes and proprietary dialer inputs that can test hardware, pull up device statistics, and even reset specific components.
*#7412365# – (Actionable only on older Samsung firmwares; may not work on later One UI builds.) Tests autofocus, lens shading, and OIS. 4. Connectivity & Network *#232338# – Wi-Fi MAC Address Displays your Wi-Fi chip’s physical address. Useful for MAC filtering on routers.
*#9900# – Used for advanced debugging. Here you can take system logs, run dumpstate, or clear the system logcat. Not for casual use. 5. Reset & Wipe Codes (High Risk) *#27663368378# – Factory Data Reset (Jig Mode) Launches an older Samsung service menu that includes a “Rooted Phone” reset option. This can wipe user data without confirmation. Do not use unless you want to erase everything.
The SAMSUNG Galaxy Note8, released in 2017, remains a beloved phablet for its massive display, powerful S Pen, and robust build quality. But beneath its sleek glass and metal exterior lies a hidden world of diagnostic tools, service menus, and engineering screens. These are accessed via "secret codes" — USSD codes and proprietary dialer inputs that can test hardware, pull up device statistics, and even reset specific components.
*#7412365# – (Actionable only on older Samsung firmwares; may not work on later One UI builds.) Tests autofocus, lens shading, and OIS. 4. Connectivity & Network *#232338# – Wi-Fi MAC Address Displays your Wi-Fi chip’s physical address. Useful for MAC filtering on routers. How to Use Secret Codes on SAMSUNG Galaxy Note8
*#9900# – Used for advanced debugging. Here you can take system logs, run dumpstate, or clear the system logcat. Not for casual use. 5. Reset & Wipe Codes (High Risk) *#27663368378# – Factory Data Reset (Jig Mode) Launches an older Samsung service menu that includes a “Rooted Phone” reset option. This can wipe user data without confirmation. Do not use unless you want to erase everything. The SAMSUNG Galaxy Note8, released in 2017, remains