On Limitless, Clarity, IntraLock® and Limitless for iPhone Fold we use our own patent-pending camera control button — a moulded surround, an aluminium frame, a silicone diaphragm, a PCB layer and a toughened glass cap, engineered to deliver the same sensitivity and responsiveness as Apple’s but inside a fully protective case. We have also improved the glass bonding and seating this year to resolve the small number of issues customers reported last year. On Super Thin we use a 0.6 mm TPU layer over the button instead, and on Super Thin Aramid we use an open cut-out.