The is remarkably consistent globally: the vast majority of providers use *57 as the universal Nuisance Trace Relay code. Regional exceptions exist (Japan’s 1470 , some Indian PBX codes), but for most English-speaking and European countries, *57 is the only code you need to memorize.

| Code | Function | |------|-----------| | *#06# | Show IMEI number (unique phone ID) | | *#0*# | Enter service/test mode (Samsung) | | *#*#4636#*#* | Phone info, battery stats, usage data | | *#*#7780#*#* | Factory data reset (Android) | | *2767*3855# | Full factory reset (Samsung — ) | | *#*#232338#*#* | Show Wi-Fi MAC address | | *#*#1234#*#* | Show PDA, CSC, and modem firmware versions | | *#*#44336#*#* | Show build time and changelist number | | *#*#197328640#*#* | Service mode (debug network info) |

Below is a guide to the most common codes for popular titles within this genre, based on community discussions on platforms like TikTok and CodePen . Common Unlock Codes

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In NTR Phone , codes act as an internal authentication system. Instead of forcing users to download entirely new game files for every incremental story update, the developer implements a .