If you type a secret code and nothing happens, consider these reasons:
: Intended for advanced users and engineers to test network bands (2G, 3G, LTE) and Wi-Fi performance. Important Safety Tips How to Use Secret Codes on SAMSUNG Galaxy A03 C...
| Code | Function | |------|----------| | *#0*# | Hardware test menu (screen, touch, sensors, cameras, vibration, etc.) | | *#06# | Displays IMEI number (both IMEI1 and IMEI2 if dual SIM) | | *#1234# | Shows current firmware version (PDA, CSC, modem) | | *#12580*369# | Software & hardware info (RF cal date, etc.) | | *#0228# | Battery status graph (health, voltage, temperature) — does not reset fuel gauge on this model | | *#0808# | USB settings (MTP, ADB, RNDIS, etc.) | | *#9090# | Service mode for diagnostic logging | | *#0011# | Service mode with real-time network/battery info | If you type a secret code and nothing
Here’s a practical, safe list of common Samsung codes that generally work on the Galaxy A03 Core (Android Go edition). — some can reset settings or wipe data. How to Use Secret Codes on SAMSUNG Galaxy A03 C...