I have a Sony Xperia Z3. Had it for 4 and a half weeks . The touch screen does not register to anything. Tried restarting it . Touch screen does not work . Took SIM card out it doesn't work . Tried everything and it still does not respond. Any ideas how to fix this problem?

SOURCE: nokia 5800. sim card registration failed

hello, i have problem with my nokia 5800 xpressmusic which just got repaired by nokia itself, but when i recieved it back and put my sim card which is t-mobile the reatilers from whom i purchsed this mobile from this mobile was only locked to t-mobile network. so when i put in my t-mobile sim into the mobile and turned it on the message i get on the screen is (sim card registration failed). so if any person any way for repairing or resolving this problem of mine. i would really appreciate it. so send me of how to resolve the problem plz conact me at my email address: [email protected]

i would really be nice for ur help.
thank you and waiting for a relpy

SOURCE: touch screen on my samsung behold won't open anything

http://www.youtube.com/watch?v=HFUrH_6-WmY
try this

SOURCE: My samsung tocco lite's touch screen has stopped working

mines is the same and i can still anwser to any number and only make calls to the last person i spoke to and also i can take pictures all the buttons work and its fine apart from the screen also my reseption is really bad on this fone iam trying to sell mine for spares and repairs and iam thinking about buying onw without the touch screen next time its rediculas

SOURCE: my tmobile tap is frozen at unlock screen. the

hello there it happens when your phone software goes smash for that you need to flash your cell phone try to contact your cell phone service center.
thanks

SOURCE: LG ENV TOUCH IS FROZEN. WON'T POWER DOWN, TRIED

You should try taking out the battery for at least ten minutes then putting it back in.