I have changed my SIM-only plan to a new, cheaper plan and I have no data left.

[bristolian]

You've typed all your message into the subject line but left your actual message blank.

Do you have a question about your data allowance?

[Chris_B]

@Jessenia   And what is the data allowance of that tariff ?   You can purchase more data via the EE app it’s under manage/add ons.