how long a newly bought iphone 11 should be charged at first time

You Asked: What is the best practice to be followed in terms of charging an iPhone

Answer: Charge it overnight or whenever you go to sleep. Let it charge all night and it will be ready at 100% when you wake up and start your day.

You Asked: How long a newly bought iPhone should be charged?

Answer: There is no set answer for this question. I recommend charging it between 80% and 100% the first time.

Axel F.

1. "second question is, how long a newly bought iphone should be charged"

It doesn't matter.

Lithium ion batteries don't have "memory" like the older batteries.

Charge it to 100% or not at all, the initial charge doesn't matter.

"how long a newly bought iphone 11 should be charged at first time"

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Charge to 100%