B525-65a Optus Firmware Version 1/2/3 | Reflash

Ito po an proseso natin sa pag reflash ng Optus Firmware sa B525-65a aka White Mamba. Mayroon po itong tatlong version, v1 band selection only, v2 band & manual frequency locking, v3 band & auto list frequency locking. Credits to Jerome Laliag, Jhowel Huerto, Zander Mazda Subscribe our youtube channel    / artbuckstech   Please like and follow our FB Page   / artbuckstech   #B52565a #OptusFirmware #Optus #WhiteMamba #Modem