UK players are moving away from costly phone bill deposits, which often charged...

https://yenkee-wiki.win/index.php/Why_Did_Phone_Bill_Deposits_Feel_Safer_Than_Cards_on_Early_Smartphones%3F

UK players are moving away from costly phone bill deposits, which often charged around £30 per transaction. Instead, they prefer Faster Payments and mobile methods that clear funds in minutes and only ask for minimum deposits around £10