Apple and AT&T have been working together to improve cellular connectivity for iPhone users in Puerto Rico who have been largely without cellular service since Hurricane Maria hit a month ago. The two companies are enabling LTE Band 8, a provisional LTE band that's been approved but not activated or licensed in the United States or Puerto Rico, reports TechCrunch. ... LTE Band 8 will work with the iPhone 5c and up on iOS 10 or higher in Puerto Rico following a carrier update. Band 8 is a 900Mhz band with improved range to better reach cell towers that are...