The upcoming Huawei smartphone so, far known only by its codename Mulan, is in the news again, this time because it’s been pictured in all its glory. No less than four shots of the handset have been made public on China’s equivalent of Twitter, and there are some details to go with those, too. Huawei Mulan Sporting a metal frame, the Huawei Mulan will have its very own fingerprint sensor, seen on…