Is my boyfriend hiding something new?

boyfriend of 4 years who I have known to be faithful but frustrated with my trust issues recently got into a fight and he said he’s tired of my suspicions when he’s done nothing to make me suspect. So his Samsung phone busted but works halfway so he’s using his work phone as his back up so he Carries both phones due to not all his info is not on his iPhone and what not. Anyways, his iPhone has a different passcode than his other phone, I asked to see his iPhone for a “game “ he gave it to me and I asked the passcode and he told me it but in a irritated way so I was like just unlock it and I looked through it was super basic he didn’t upload most of his stuff yet. Anyways is it suspicious that he’s carrying two phones around now and one has a different passcode? Should I be suspicious

Is my boyfriend hiding something new?
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