Apple, T-Mobile Lose Bid to Arbitrate Phone Number Mix-Up Suit

Consumers suing Apple Inc. and T-Mobile USA Inc. over an alleged iPhone security flaw will keep their claims in court, where they can assert claims on behalf of a proposed class, after a federal judge in New York rejected the companies’ evidence of an agreement to arbitrate.

T-Mobile failed to prove at an arbitration-related mini-trial that it provided one of the consumers with a “prepaid confirmation form” containing an arbitration clause and other terms, Judge Lorna G. Schofield said Thursday for the U.S. District Court for the Southern District of New York.

Schofield also denied Apple’s request to compel arbitration, ...