NEW YORK (AP) — Samsung is trying to move past last year's disastrous Galaxy Note 7 launch with a successor sporting a dual-lens camera, animated messages, expanded note-taking — and lower battery capacity.

The South Korean tech giant is no longer trying to squeeze more battery power into each phone. Last year's Note 7 had to be recalled after dozens spontaneously caught fire because of defective batteries.

Samsung responded by subjecting new phones to multiple inspections and giving the battery more physical protection, taking up room normally available for the charge.

Although the success of...