i have a early 2011 13inch macbook pro and its currently running sierra i am thinking could i upgrade to high sierra since the mac has been going please upgrade your mac the specs are i7 2.7ghz 6gb of ram and a intel hd graphics 3000 326mb its becuse i cant connect my iphone se 1st gen to my mac to backup and ect please help me or atleast help me connect to my iphone se 1st gen to my mac for backups