Bad service and daylight *******

I am paying for a device i returned to them because it was faulty and failed to have me use an important bank application on it,i requested a different brand for lack of trust on the brand i had bought because of the experience, the district manager called Martin told me to take the very same brand or leave it he really doesn’t care but will not be cancelling to give me a different brand because they only sell devices they don’t help with applications.