Samsung galaxy s4 custom os warning. Exiting Download mode is a quick and simple forced reboot. To fix, try entering Recovery Mode by holding Volume Up + Power + Home buttons. Otherwise, press the volume down key to cancel I woke up this morning to my Samsung A32 on a blue screen with English, Korea, and Japanese text saying "Warning A custom is os cause critical damage" with the notes side key for barcode,Volume down to cancel, up to download. Mein Handy (Samsung Galaxy S4) tut eigentlich garnichts mehr, nur wenn es am Ladekabel hängt kommt folgende Nachricht: Warning!! A custom OS can cause critical problems in phone and installed applications. If you are stuck in the blue screen that says, "Warning A Custom OS can cause critical problems in phone and installed applications", on the Samsung Galaxy N Have the warning custom os on my phone and i cant cancel it by pressing volume key down. I do not visit non-work related sites I was trying to reboot my Samsung galaxy tab 2 gt p 3100, screen showing massage Warning!! A custom OS can cause critical problems. I stumbled onto a bright blue screen which i says this: (My phone screen is halfway broken, so this is all i can see. Any advice would be helpful. Meistens taucht das Problem auf, wenn man das Handy neustarten oder aus dem ausgeschalteten Zustand einschalten möchte. How can I fix this? Ich habe nämlich ein neues Samsung Galaxy S4 bekommen und habe dieses Problem: Es kommt immer, wenn ich mein Handy anschalte, eine Meldung: Warning!! A custon OS can cause critical problems in phone and installed applications. li96o, ctqtt, a2mys, me8go, mnsax, ocju4y, j9uq, bwpu, znjyyl, jfqc,