Wifi slow issues after upgrade iPad to iOS 4.3.5

My iPad is having trouble with Wifi. The Wifi connection has become really very slow on iPad 2 after updating to iOS 4.3.5. WiFi only works if it's close to the router. The device have not jailbroken and my provider is AT&T. Can any help me on this?

You can try resetting your network settings to fix the issue. Tap Settings > General > Reset > Reset Network Settings. If still not working, delete

iPad WiFi works with no WiFi icon

I had my original 16GB WiFi only iPad upgraded to iOS 4.3. When it came to connecting to WiFi network, suddenly the WiFi indicator just disappeared, as if there was no network connection. But the iPad still connected and I could browse the web sites.That may be an app causing the WiFi icon to disappear. You can try syncing all your apps again.

iPad WiFi Connects router without SSID broadcasting

My iPad WiFi works perfectly when connecting to my router with SSID broadcasting. But if turned the id broadcast off, the iPad will not connect. To join and connect to a closed network, you must know the network name, password, and security type. Tap Settings > Wi-Fi > Other, type your network name and password. Then tap Security and choose the type of security the network uses.

YouTube : The server is not correctly configured on iPad

My iPad is connected to my home WiFi network. Every time I try to watch a video on YouTube, my iPad gets the error message "The server is not correctly configured". I can search for videos on youtube. After done hard reset and restored settings, it is still not working. The Youtube problem is limited to the iPad and it doesn't affect any laptop linked by same WiFi.How to solve this problemJust