Anleitungen, zu denen ich beigetragen habe
Antwort auf „black horizontal lines in display”It is probably a hardware issue with the LCD screen. I don't know of any options other than a replacement.
Antwort auf „Why am I only getting sound from the headphone jack?”If this is happening repeatedly, there may be a problem inside the headphone jack and you might need to replace it. There's a guide for that here.