I've been experiencing freeze ups and not being able to use touch on my 7+ since upgrading to 11.1 and 11.1.2. Was over rebooting several times daily, and finally performed a DFU yesterday.
It can be a bit laggy too. Will probably wait on upgrading OS until it's further refined going forward (if at all.)
It can be a bit laggy too. Will probably wait on upgrading OS until it's further refined going forward (if at all.)