How can I switch?
Step 1: Choose the product you wish to purchase on Microsoft Store or Xbox Store.
Step 2: Enter Microsoft Account password and select “Sign In”.
Step 3: Select “Get started! Add a way to pay” and click “Next”.
Step 4: Select “Mobile phone”
Step 5: Select M1 from mobile operator drop down list and enter your M1 phone number. Click ‘Next’ to proceed.
An SMS with a verification code will be sent to the M1 number provided.