add readme to 4.05 folder

Author: CelesteBlue-dev

405/README.md

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+# PS4 PKG2USB – Dump and run Fake PKGs on USB – 4.05/4.55 Payload by SiSTRo
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+This is a PS4 payload (based on Vortex’s dumper) to dump and run fake PKGs on USB.
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+
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+- USB drive must be formatted to exFAT
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+- works only with fpkg (not official pkg)
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+- game/app have to be before installed as usually on internal storage
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+- copy ps4-pkg2usb.cfg to usb root
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+- edit config title_id with game/app title_id
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+- always use the same USB port that when you installed game
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+- to reinstall game to internal hdd, remove and reinstall as usual
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+
+
+tip: if you still have the pkg and you want to avoid wasting time waiting for the file to be copied from the payload on the USB HDD,
+copy the pkg to X:\PS4\CUSAxxxxx\app.pkg