How to Update your Apple ID Payment Information:
Access the Apple Support site for up-to-date information on how to change or update your Apple ID payment method.
How to Update your Google Play Payment Information:
Access the Google Play Support site for up-to-date information on how to add, remove, or edit payment methods you use for Google Play purchases.
How to Update your Xsolla Payment Information:
Access the Xsolla Support site for up-to-date information on how to make a payment through Xsolla for the Summoner’s Market.