Select your preferred exploit redirection method (e.g., Bypass FRP -> Open YouTube via Chrome ). Click the button.
Turn off your Samsung device. Hold the Volume Down + Power (or Volume Down + Volume Up depending on the model) while connecting it to the PC via USB. Release when the blue warning screen appears, then press Volume Up to continue. samfirm-a.i.o-v1.4.3
Flashing the wrong firmware (e.g., a US carrier firmware on an international device) can hard brick your phone. Always triple-check your model number. Additionally, flashing any firmware will trip Knox on devices released before 2021, permanently disabling Samsung Pay and Secure Folder (though newer devices handle this differently). Select your preferred exploit redirection method (e
Enter your Samsung device model in the Model field (e.g., SM-G973F ). samfirm-a.i.o-v1.4.3