Can't buy games or cards

A hard reset may solve this problem. Hold down the power button until the system shuts down and unplug the power cable. Wait for 5 min and plug it back in and restart the console

Hi there,

to be sure can you check if the currency shows up at https://account.microsoft.com/billing/payments?refd=account.microsoft.com to see
if the currency value shows there, if it's not showing there please double check if the same account was used that redeemed the gift cards.

If the currency does show there, be sure to check what region it shows as the console must be set to that region. (Region on the console can be set via Settings - Language and location)

When the console is set to the same region as the currency is for, then it should be possible to purchase content via the store via the account balance, there is an exception though. Xbox 360 content (which can be backwards compatible for the Xbox One) can't
be purchased via the balance on an account, but has to be purchased via different payment options. (Unless the 360 content is purchased via an actual Xbox 360 console)

On the Xbox One, games and DLC should be purchaseble via the account balance if the requirements like same region etc are met.

Regarding a contact Phone number. Depending on the region this link will show a contact number for Xbox Support: https://support.xbox.com/contact-us?isChatCallAvailable=false make
sure the region in bottom left corner matches your country.

For some regions it won't show the phone number in that case you will have to use the Call back option or Microsoft Support Chat option at http://support.xbox.com/contact-us

Hi! as it says, try to reach support
support.xbox.com

I bought a 5$ gift card but i can't buy game pass. credit cards needed.

You can't buy game time with prepaid cards anymore