LG 2-3G Tool v2.4 build 00F8 release

[NANAIU]

LG 2-3G Tool v2.4 build 00F8

+ P690 flashing, nvm read/write/repair, hints

+ P690b flashing, nvm read/write/repair, hints

+ P692 flashing, nvm read/write/repair, hints

+ P693 flashing, nvm read/write/repair, hints

+ DZ unpacker in Firmware converter window

+ KDZ unpacker in Firmware converter window

* Some bug fixed

+ Uploaded 2Gb firmwares