Only for existing customers who use this sign-in. New accounts can not be created in this way.
Mozilla/5.0 (Android 8.0.0; SM-G950F Build/R16NW) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.9 YaaniBrowser/4.2.0.186 (Turkcell-TR) Mobile Safari/537.36