| Code | Feature | |------|---------| | *#06# | Shows (unique device IDs) | | *#0*# | Opens hardware test menu (screen, touch, sensors, camera, etc.) – may work on some BLU models | | *#*#4636#*#* | Testing menu – phone info, battery stats, usage statistics, Wi-Fi info | | *#*#6484#*#* or *#*#3646633#*#* | Engineer Mode (hardware/software tests, radio, sensors) | | *#*#2664#*#* | Touchscreen test | | *#*#3264#*#* | RAM version info | | *#*#232339#*#* | Wi-Fi test | | *#*#0842#*#* | Vibration + backlight test | | *#*#0673#*#* or *#*#0289#*#* | Audio / Melody test | | *#*#0*#*#* | LCD display test (colors, dimming) | | *#*#1234#*#* | Firmware/PDA version (if available) | | *#*#2222#*#* | Hardware version (some Mediatek chips) | | *#*#7780#*#* | Factory data reset (⚠️ wipes all data – use with caution) | | *2767*3855# | Full factory reset + reinstall firmware (⚠️ very dangerous – data loss) |
Acceso al menú de ingeniería del procesador Unisoc (compatible con códigos MTK). Cómo usarlo: Alto riesgo . Solo si eres un usuario avanzado. Desde aquí se puede calibrar audio, aumentar el volumen de auriculares, modificar bandas 4G y probar GPS. Para salir sin guardar cambios, presiona "Atrás" repetidamente. -Como utilizar codigos secretos en BLU G52L