Flash the Leeful_5.05_ESP8266_HOST_v6.5.3.bin file to your ESP8266 device
using NodeMCU PyFlasher v4.0 found here: 
https://github.com/marcelstoer/nodemcu-pyflasher/releases
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WiFi-SSID: PS4 Leeful ESP HOST
PASSWORD: 12345678


Use either the PS4 User's Guide or 
the PS4 Web Browser URL at: http://esp.com/index.html



HOW TO SET UP ESP
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On the PS4 go to:
Settings > Network > Set Up Internet Connection > Use Wi-Fi > Custom
Select 'PS4 Leeful ESP HOST' from the list and use the password '12345678'
IP Address Settings > Automatic
DHCP Host Name > Do Not specify
DNS Settings > Automatic
MTU Settings > Automatic
Proxy Server > Do Not Use

Test Internet Connection >

Obtain IP Address : Successful
Internet Connection : Failed

This is perfectly normal because you are offline when using the ESP.

Press the PS button to go back to the PS4 Home Screen.
