UK players have moved from phone bill deposits to Faster Payments and mobile...

https://fair-wiki.win/index.php/What_is_the_Faster_Payment_System_and_How_Does_It_Help_Casinos%3F

UK players have moved from phone bill deposits to Faster Payments and mobile wallets for casino deposits. These modern methods let users transfer as little as £10 instantly, avoiding the typical £30 limit on phone billing