I have both a Jolla C2 phone, and an E/Os device, on a nothing CMS1 phone. Both are great. I like the Jolla Phone for its SailfishOS, which has great UI/Ux. I am less enthusiastic about the hardware. (good enough though) The E/OS really is good, all apps work good, and really much is done for privacy protection. But if the hardware is more performant, and with a few extra features i'd still opt for SailfishOS