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Hi @Pager, welcome to our community!
Do I understand correctly that you would like to have a indicator that the device is being charged faster than normal? For example that there should be a text displayed on the lock screen, or a different icon in the status bar?
There is no such indicator, but I'll make sure to forward your feedback about this as it could be very handy to know that everything is working correctly with the quick charging! 
Hi @Pager, welcome to our community!
Do I understand correctly that you would like to have a indicator that the device is being charged faster than normal? For example that there should be a text displayed on the lock screen, or a different icon in the status bar?
There is no such indicator, but I'll make sure to forward your feedback about this as it could be very handy to know that everything is working correctly with the quick charging! 
Even though here there are knowledgeable luda thanks, and here the current in English or on Russian is possible? Ато чкрез переводчик)
Hi again @Pager!
I don't really understand your last sentence, would it be possible for you to elaborate? If you are wondering about the languages supported here at our Global user based forum, it's English only and if a post is made in another language, we translate it.
I understood the language.
I have one more question: why does an green event indicator light up on an incomplete charge of about 90%, is it a bug or a feature?
@Pager ;
It is a feature, as stated in user manual:
Battery notification light status
| Green | Battery is charging, charge level is greater than 90% |
| Orange | Battery is charging, charge level is 15–90% |
| Red | Battery is charging, charge level is less than 15% |