Apple tf signature platform-professional APP development platform-TF listing tool.

TF signature is actually also called TF listing, and its full name is testflight. It is actually Apple’s official internal testing distribution channel. 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 TestFlight distribution is used for internal testing.
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Tags/keywords: high-end tf signature, iOSTF signature, IPATF signature, TF signature, Apple tf signature
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