If you lost your mobile device, you could follow below steps:
(1) If you wish to continue using K PLUS BIZ Vietnam application, you can download and install the application on your new device. Then, you will be brought to change mobile device flow to activate your account on the new device and you will be automatically logged out from old device.
(2) If you do not download the application on new device immediately, please contact branch or 24/7 K-Contact Center Vietnam at (028)-38218888 to deactivate your account.