UK players are moving from phone bill deposits, which often charged £30 or more...

https://www.bookmarkidea.win/uk-players-have-moved-from-phone-bill-deposits-often-limited-to-30-per

UK players are moving from phone bill deposits, which often charged £30 or more per transaction, to Faster Payments and mobile wallets. These newer methods let you deposit as little as £10 instantly, with lower fees and better security