Sprint Nextel has been slapped with a $1 billion class-action lawsuit over early termination fees (ETF), just as the carrier is beginning to pro-rate the fees.

The federal lawsuit claims that Sprint has illegally charged $1.2 billion in illegal ETFs since 1999, and seeks reimbursements.

Sprint was not available for comment.

The news follows a decision in June in which a California judge ruled that Sprint had to pay back $73 million to customers that were charged early termination fees.

For more:
- see this article [1]

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California judge says Sprint [2] must pay $73M in ETF case
Sprint [3] reveals new early termination fee details