iPhone not ringing when in sleep mode

[MarcoWD]

Anyone else experiencing this? When my phone is in sleep mode it won't ring during an incoming call. It won't do anything. It started after updating 1.1.3. Whenever i wake it up, the incoming call screen appears for half a second then disappears and I have a missed call. Any help?

[westie]

The same thing happens to me, I'm still on 1.1.2. Also, my wi-fi no longer works. The option in the settings is grayed out and can't be click on.