I also faced same problem of freezing
- 22-06-3013
i also faced the same problem of screen freezing and tried every combination of keys to fix it but i was not then i took it to noka care center they fixed it . When i asked what the problem was they just said settings problem .
2.22-06-2013
after half an hour i turned on the bluetooth and was coming back to home screen it again freezd.
and again i had to go to nokia care center to get it fixed.
and now either i want my money back or hand set replacement as early as possible.