Tip: Always try the dialer code first. If it doesn’t work or you need more depth, switch to the calculator.
: Shows real-time battery health, voltage, and capacity details. *#9900# samsung calculator secret codes
On specific Samsung Galaxy devices (particularly those locked to certain carriers or running older versions of Android/One UI), the calculator is used as a gateway to bypass security for developer settings. Tip: Always try the dialer code first
The most well-known secret code for the Samsung Calculator is used to enter (Factory Mode). This is particularly useful for tablets or devices without a standard phone dialer. Code: (+30012012732+ How to use: Open the stock Samsung Calculator app. Type ( then +30012012732+ (include the opening bracket). Code: (+30012012732+ How to use: Open the stock
For years, the humble calculator app on Samsung Galaxy smartphones has been viewed as a simple tool—something you open to split a dinner bill, calculate a tip, or figure out square footage. But beneath that clean, numeric interface lies a powerful secret. Hidden within the Samsung Calculator is a portal to the phone’s deepest engineering menus, diagnostic tools, and service settings.