The long-superseded Touch ID continues to hang on by its fingertips, and we now learn that Apple has been exploring new ways to implement the technology in its flagship iPhones. The fingerprint-scanning biometric tech, which first appeared in an iPhone in 2013 but was replaced by Face ID facial recognition in the premium models in 2017, is of course still available on the iPhone SE. But that has always seemed like a throwback: a reflection of the fact that the SE still has a Home button rather than the more modern all-screen design of Apple’s flagship phones. However, according to the respecte…