But it is expecting a 25% increase on that figure when the numbers for the current financial year are gathered at the end of this month.
However, it says those complaints are only the tip of the iceberg when it comes to people unhappy with their insurance provider.
Martyn James form the Financial Ombudsman Service said: “We uphold more complaints about mobile phone insurance than virtually any other product we look at.”
“It’s round about three-quarters of all the cases we see.”
The Association of British Insurers says the complaints only represent a tiny percentage of people who have mobile phone insurance and that it’s working hard to bring that number down.