Here are some ESP8266 Flash Dumper tools used to dump your ESP8266 Firmware to .bin, then you can flash with NodeMCU.py flasher or ESPTool.py flasher for PS4 ESP host and PS3 ESP host. :D
Download :
esp8266flashdumper.rar (216.24 KB - Windows x64 & 32 bit version) / esp8266flashdumper.rar...