O2 has not yet announced whether it plans to offer its customers a refund over the service outage today.
Pay-as-you-go customers received £10 extra credit and all O2 customers, including those who weren't affected, received a £10 voucher to spend in its retail stores.
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The helicopter, which the royal was not in at the time, avoided a potentially deadly mid-air crash.
The shots on a bus sparked a major security scare as weekend tourists in some of the world's most famous casinos were told to bunker down.
The Ukip leader confirmed he had "no prior warning" of Douglas Carswell's resignation from the party as he hit out at the "staunch Tory".