UK players are moving away from phone bill deposits, which often capped at £30...

https://planetfitnessprices.com/how-mobile-casino-deposits-have-evolved-from-phone-bills-to-instant-transfers/

UK players are moving away from phone bill deposits, which often capped at £30 per transaction, toward Faster Payments and mobile wallets. These modern methods let you deposit as little as £10 and see money in your account almost instantly