How come you can’t see how much time is left on you battery?

You can see the percentage remaining if you open Control Center.

misyamoe Said:

"How come you can’t see how battery life you have at the top of the phone where the battery is ? On Samsung Galaxy you can. When will we get revise able changing"

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Recommend this to Apple:

Do your Part: These are user-to-user forums. Apple rarely reads these forums on their own time as it is. So, provide Apple with feedback on this.  Apple wont get back to you directly, but the more they hear of this, the more they will know what is going on, and what to include in iOS versions to come..

To Provide Feedback:

1. Go Here: Feedback - iPhone - Apple
2. Select: "Feature Request" for the "Feedback Type"
3. Comment: on why you want this to be an option, and how it can help others
4. Proceed form there as necessary