iPhone consume in airplane mode?!

[tresbubu]

Hello,
I apologize in advance for my bad english.
I have a question to ask:
I have an iphone 8 a few months, I have updated the last available , I know that my phone loses about 3% or 4% in airplane mode in 8 hours which is reduced if active energy saving !
I deactivated:
Localization
updates itunes
icloud backup
app updates background
restored to dfu 0 app charged

if it is left in 100% charge mode, it loses nothing for the whole night!
iOS 11 problem or it’s normal?

 

[kataran]

Seems normal to me

 

[Annie_M]

I also think it seems normal.

 

[tresbubu]

my old 6s lost at most 1% on a night without energy savings

 

[bakron1]

My twin brother has an iPhone 8 and leaves it on all night and 1% discharge is about the normal, nothing to worry about.