out of plan charges

Have you looked at you bill breakdown for an explanation of said charges?

Yeah i have, it stays at £24.99 and isnt meant to go above that 

Your most recent iD bill would show all out-of-plan charges, within the itemised line items for calls, texts and mobile data (Internet), ​@Kenny Stephen Saville. 

Another possibility is the billing period was more than one-month, which could happen if you’ve changed or upgraded your iD plan.

Im just confused with why it took the £9.85 out when i paid the bill a couple weeks before hand, and i have looked at the bill but it doesn't mention why its done that

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Looks like you’ve overpaid at some point, ​@Kenny Stephen Saville. 

Also, your bill for £9.85 covers more than 1-month (29th Jan to 9th Mar), which seems odd.

Probably best to speak to iD customer service about your bill, via their web chat.

These community articles might help.

Thx endewhite, it was what confused me as well, i will get in contact with then regarding this, but thank you and i hope you have a great rest of your day