DOWNLOAD AND UPLOAD BOOST

How to get?
Download and upload boost features are available only in beta-version of Plus. Read this before installing it: https://t.me/plusmsgrfaq/45.
Your version is beta if last digit of its build number is 7, 8 or 9. If it is 0 or 1 then you use stable. Tap here to see your build number in brackets after version number (here is the screenshot where build number is marked).

Where to find?
Boost features are available in Plus settings » Downloads partition.

Anything else?
Features are experimental (the same as whole beta is). Everything may go wrong if you use them (the same as when you use beta at all).
❗️Use them at your own risk.