iOS 8.1.1 beta brings performance boost for older devices

Apple's iOS 8 rollout has been -- interesting. After a false-start for HealthKit and download problems that caused some devices to lose cellular connectivity, we all seem to be on the right track. Though some hefty improvements to iOS are expected with iOS 8.2 and/or 8.3, Apple has iOS 8.1.1 in beta form, and has begun seeding it to Developers. …