Apple TF signature | ios shelves | testflight signature source fee! !

TF signature is actually also called TF listing, and its full name is testflight. It is actually Apple's official distribution channel for internal testing. We all know that the only official channel for iOS users to download APPs is the App Store, but in fact testflight is also an official channel, but Apple's TF sign is used for internal testing.
For more information please contact my TG: @JDiosmdmm

Tags/keywords: iosTF signature, high-end tf signature, Apple testflight signature, tf on Apple shelves, TestFlight internal testing
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