My iPhone won’t turn on

buzo49 Said:

"My iPhone won’t turn on: I was updating my phone then all of a sudden my phone won’t turn on"

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What to Do:

Seems your iPhone is in a Boot Loop: So, having just updated your iPhone, go here: How to Fix an iPhone in a Boot Loop - User Tip

Try the steps here

https://support.apple.com/en-us/HT201412