The broadcaster saw monthly content consumption of its BBC One, Three and News 24 channels reach a high of just 13 minutes per month during the 12 month trial which ended in April.
Throughout February the BBC's share of viewing accounted for around 24% on Orange and 51% on T-Mobile.
The low level of usage comes as a blow to the BBC, which is now bidding to persuade the Trust to add mobile to the distribution channels of its TV and radio stations.
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