Nah, bro. If you're getting 3~4 MBps, then you're already getting the upper limit a PS4 will give you. It's shit hardware/software limitations on the console, and nothin' you can do about that.
https://www.reddit.com/r/PS4/comments/522ttn/ps4_downloads_are_notoriously_slow_i_might_have/ https://www.polygon.com/2017/8/20/16174374/playstation-4-download-speed-sucks https://www.snellman.net/blog/archive/2017-08-19-slow-ps4-downloads/ TL;DR: you might have some luck running a proxy.
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