The Nokia 6.1 Plus, also known as the Nokia X6 (not to be confused with the 2009 Nokia X6), is a Nokia-branded mid-range smartphone running the Android operating system. Model TA-1099 (TA-1083) References 2. *Band 28 is 700mhz 4G/LTE and us used in Australia for Telstra 6.1 Plus Mobile phones introduced in 2018 Mobile phones with multiple rear cameras Mobile phones with 4K video recording Discontinued smartphones