"In the 9 months I’ve been in Antarctica, my trusty cell phone has taken some truly remarkable photos under challenging conditions. Nearly every photo I’ve taken for this blog has been a cell phone photo. " [1]

His "old phone" he keeps in a drawer for internet usage is an Android but I can't see any attribution to his current phone model. [2]

[1] - https://brr.fyi/posts/polar-night [2] - https://brr.fyi/posts/sms-mfa#phone-in-a-drawer