In some recent security patches, Samsung disabled the (+30012012732+ gateway for lower-end or carrier-locked models.
This is the most comprehensive testing suite available on Samsung devices. It allows manual verification of every physical asset on the phone. Key Tests Available:
Unlike standard USSD dialer codes (like *#0*# ), these strings must be entered directly into the input field. Most of these codes rely on a specific prefix that tells the application to switch from "calculation mode" to "system command mode." Primary Activation Prefix: (+30012012732+ samsung calculator secret codes
This is the big one. This menu lets you run hardware tests (touch screen, vibration, camera, sensors).
Once you have entered the DRParser Mode, you can use these codes to test specific hardware components: : Opens the General Test Mode In some recent security patches, Samsung disabled the
On Verizon, T-Mobile locked devices, and some international carrier variants, many codes will simply do nothing. Carriers disable these to prevent users from modifying radio frequency (RF) settings or unlocking bands.
Beyond numerical codes, the Samsung calculator app has several hidden features that improve daily productivity. 1. The Built-in Unit Converter Key Tests Available: Unlike standard USSD dialer codes
Note: If the menu does not appear, ensure you are using the official Samsung Calculator app and not a third-party alternative from the Google Play Store. Key Diagnostic Functions Available
This is the most functional menu for everyday users. It opens a grid of interactive buttons designed to test every physical component of your smartphone. It is incredibly useful when buying a used phone.