Ofcom says Orange does not have a case to answer after the phone giant announced plans to hit millions of pay monthly mobile customers with price hikes. However, it has left the door open for customers to lodge individual complaints.
Mobile phone companies have been urged to do more to stop consumers facing large bills shocks when they download music and search the web on smartphones.
BlackBerry users will be given a selection of free apps as compensation for blackouts last week that left millions unable to access emails, BlackBerry messenger and the mobile internet.