Apple has begun large-scale testing of end-to-end encrypted RCS messaging in iOS 26.5, enabling secure cross-platform texting between iPhones and Android devices. The feature, previously limited to developer betas, now activates automatically in supported carrier regions, with messages protected by a visible lock icon. This marks a significant shift in Apple’s approach to interoperability, addressing long-standing security concerns in standard RCS protocols.

The rollout requires iOS 26.5 and compatible carriers, with encryption applied dynamically across conversations. Apple’s support page lists participating carriers, though specifics about carrier-driven rollout timelines remain unclear. Testing expansion follows limited trials in iOS 26.4 betas, which initially restricted encryption to iPhones with disabled iMessage. The update bridges a critical gap in Apple’s ecosystem strategy, offering parity with Android’s native RCS capabilities while prioritizing privacy.

Users can expect phased implementation, with Apple emphasizing that encryption will extend to existing RCS chats over time. The move aligns with broader industry trends toward secure cross-platform communication, though Android users must also update to Google Messages for compatibility. This development underscores Apple’s commitment to enhancing messaging security without compromising its proprietary iMessage ecosystem.

By integrating E2EE into RCS, Apple addresses a key pain point for users reliant on cross-platform texting. Security analysts note this could pressure competitors to adopt similar standards, reshaping expectations for default messaging encryption. The feature’s success hinges on carrier adoption rates and user awareness of the lock icon indicator.