Apple has just released its iOS 7.1.1 update which contains improvements to the Touch ID fingerprint recognition, keyboard bug fixes, and security updates.

This update contains improvements, bug fixes and security updates, including:
• Further improvements to Touch ID fingerprint recognition
• Fixes a bug that could impact keyboard responsiveness
• Fixes an issue when using Bluetooth keyboards with VoiceOver enabled
• For information on the security content of this update, please visit this website: http://support.apple.com/kb/HT1222
iOS 7.1.1 can be downloaded via OTA and is available for the iPhone 4 or later, iPad 2 or later, and 5th-gen iPod touch. To check for the update on your iOS device, go to Settings then tap on Software Update.

After updating to ios 7.1.1, my phone is now unable to detect wi-fi. The wi-fi icon is now grayed out. Can’t turn it on no matter how many times I restart the phone and reset its settings. Has anyone encountered the same problem? How do I troubleshoot this? Thanks!