Confirmed: OBDSTAR ODO MASTER mileage programmer is working fine with Mazda 6 2017 via OBD.
You can follow the steps below:
Mazda V30.95 -> Manual selection -> M6 -> 2014 -> Switch ignition on -> before modifying mileage, please execute[Data backup] function -> communicating -> go on by following the on-screen instruction.
This is the Best Odometer Correction Tool.
Enjoy!