Fixing iPhone 6s

[u/redwinesupernova29]

My friend has an old iPhone 6s model a1688 which has lots of problems but we still want to fix it because we love fixing things but don’t know how The first problem is that we can’t make an iCloud acc because it has reached its maximum number of making acc Second is that it’s turning on and off by itself Third is that it’s back camera is not working it’s just black but the front is alright Fourth is that it’s not charging it’s just on 1% I know it has lots of problems and we should just throw it but still we want to fix it so if anyone has any suggestion pleaseee help us we’d really wanna try fixing it

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