Using an SD Card add-on module to your ESP8266 device, makes for alot better usage on your exploitable PS4 setup!
One major problem with ESP8266 is its small 4MB memory, but that can be easy solved as shown below by @Stooged from the scene site (www.PSXHAX.com), he has posted a nice tutorial and info on how to expand your ESP8266 and serve up more PS4 greatness!
The ino sketch and SD files are here: https://github.com/stooged/ESP-Server
The ESP8266 is quickly becoming the best way to use your exploitable PS4 console, and this just makes a ton better, many to @Stooged for his useful info and help and sharing it with PSXHAX so we can all enjoy bringing the type of greatness to our PS4 that Sony hates!
NEWS SOURCE: ESP8266 Server From SD Card for PS4 4.55 Payloads by Stooged (via) PSXHAX