Does your device loose it’s signal when connected to WiFi? Is the option greyed out? Are you unable to connect to your WiFi? Is your network signal not working? By replacing the internal antenna this will solve your problem completely! All repairs come with a 60 day guarantee on all parts used!
Sony Xperia Z, Sony Xperia Z1, Sony Xperia Z1 Compact, Sony Xperia Z2, Sony Xperia Z3, Sony Xperia Z3 Compact