The improvements and fixes brought by iOS 7.1.1 is the improvement on the Touch ID fingerprint sensor, optimized keyboard responsive and also getting the Bluetooth keyboard runs better.
If you are interested to update to this release, you can use the manual way by downloading the ipsw files based on your device models.
Download links of iOS 7.1.1 ipsw firmwares.
How to install file IPSW iOS 7.1.1
- Let's update to this version, after you downloaded to the specific ipsw version then connect your iPhone / iPad / iPod Touch to your PC.
- Once iTunes detected your iPhone, you will be presented with two update options which are update and restore. Just hit the “Check for Update” while hitting these keys Alt + Shit.
- A window will appear telling you to select the iPSW you downloaded earlier.
- Now just wait for the installation process to finish.