After updating to 4.3.2 wifi fails, anyone else?

I've updated my iphone 3gs last weekend to fw 4.3.2 and sincethen my wifi isnt able to work anymore.
Since i live in an area that doesn't support 3G connectivity, it feels like i'm thrown back in time where there was no (fast) mobile internet, really annoying...
Does anyone else have this problem, and is there an solution?

Many people have the problem, that after upgrading their iphone to 4.3.2 or 4.3.3. the WiFi is not working. In my setting this was the problem and could be solved:
The iOS 4.3.2 and 4.3.3 for iphone is not compatible with the firmware 7.5.2 for apple airport extreme and time capsule. If your WiFi router is an apple airport with the newest firmware 7.5.2 an iphone with the iOS 4.3.1 connects without problems but after the firmware undate tu 4.3.2 or 4.3.3 it will not be able to detect and connect to the WiFi network.
Solution Because the iphone firmware can not be downgraded, the airport firmware has to be downgraded
1)  Make sure that the settings of your Airport Extreme are in mixed a/b/n mode
2)  Open Airport Utility
3)  Select Upload Firmware from the BaseStation menu
4)  If you current version is 7.5.2, click Upload Firmware
5)  Select 7.5.1 from the pop up menu
6)  Restore Firmware
Now the WiFi network is detected and connected as before upgrading the iphone to 4.3.3.
The solution was found here  https://discussions.apple.com/message/15170990#15170990

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