PSA: Apple releases iOS 9.3.5 with important security fix

Apple has released iOS 9.3.4 last night for supported iOS devices. Details about that updates may be found here. It's important to install this update, because iOS 9.3.5 fixes critical security issues (see this Lookout blog post and this Washington Post article). To update via OTA, goto Settings -> General -> Software Update and start the iOS update.