To add a device to an existing merchant account via merchant management
STEP 1 - Log Into The Valor Portal
STEP 2 - Click Merchant Management in menu
STEP 3 - Click Vertical Ellipsis For a Merchant
STEP 4 - Click Edit in menu
STEP 5 - Click Device Tab
STEP 6 - Click New Device in menu
STEP 7 - Fill in the device details and click Update Device button
STEP 8 - Click Update Merchant button