"Cash App, owned by Block, is jumping into the mobile carrier business with a $40-per-month unlimited 5G plan. The move mirrors Klarna's 2025 playbook almost perfectly. It's rolling out to select users now, with broader availability coming in the next few months as the fintech giant tries to become the everything app for its user base. Cash App just became the latest fintech company to bet that your phone bill belongs in your banking app."