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

https://telegra.ph/What-is-the-Fastest-Way-to-Deposit-10-at-an-Online-Casino-on-Mobile-07-10

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