tovask

My friend give me an android phone (Samsung Galaxy S4 I9505XXUHPK2) because he didn't want to use it any more. It was a perfectly working modern device with only one problem: it's screen was broken. It usually happens to big touch screen phone, that their screen get crashes somehow, but their other functionalities keep working fine. So i was happy, that i got a fully functionalling phone, until he describe that broken screen means it's totally broken: no touch detection and no display! But unless this small drawback, it seem to be all right: it automatically connented to a known wifi and it's alarm clock also turned on sometimes. But yet the only response from it was a status led in the top-left corner (witch helped to detect if it's currently booting); the backlight of the menu and the back button (witch was the only way to find out, if i just turned on or off the screen); and the vibration (witch was also indicated a boot start (, or a new mess