WiFi function on my Ipod Touch me grayed so why change it?

In rare instances, your iPhone, iPad, or iPod touch may be unable to enable Wi-Fi or Bluetooth in Settings. When this occurs, you will see the following symptoms:

• Unable to turn Wi-Fi or Bluetooth on or off because the setting is grayed out or dim.
• Missing Wi-Fi or Bluetooth MAC Address missing or displaying all zeros in Settings > General > About.

Resolution

If you encounter this issue, try the following steps and attempt to enable Wi-Fi or Bluetooth after each one.

1. Verify that Airplane Mode is off.
2. Restart your iOS device
3. Update your iOS device
4. Reset Network Settings, by tapping Settings > General > Reset > Reset Network Settings
5. Restore your iOS device in iTunes.

If you are still unable to turn Wi-Fi or Bluetooth on or off after attempting these steps, contact Apple or your wireless carrier for additional assistance.

See:

iOS: Wi-Fi or Bluetooth settings grayed out or dim

If not successful, an appointment at the Genius Bar of an Apple store is usually in order.

Apple Retail Store - Genius Bar