Apple has released its iOS 4.2.6 update for the Verizon iPhone 4. Posted online early last week ahead of the device’s launch, iOS 4.2.6 “fixes a bug to ensure Personal Hotspot data usage is accurately reported (for Verizon iPhones),” according to a listing on MacUpdate. Notably, iLounge’s test Verizon iPhone 4 arrived with iOS 4.2.6 pre-installed, so it is unclear how many units will actually require the update. iOS 4.2.6 for…