UK players used to rely on phone bill deposits, often capped around £30 per...

https://wiki-tonic.win/index.php/How_Do_I_Avoid_Deposit_Friction_When_I_Just_Want_to_Play_Quickly%3F

UK players used to rely on phone bill deposits, often capped around £30 per transaction with extra fees. Now, Faster Payments and mobile wallet options let you deposit as little as £10 instantly and without hidden charges