IPAtf signature source technology service provider | Apple's quotation...

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 the testflight signature is used for internal testing.
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Tags/Keywords: Apple testflight signature, TF signature, easy to use tf signature, tf signature on the shelves, iosTF distribution
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