Vivo Y15A V2134 PD2140IF imei backup unlocktool ( nvdata, nvram, protect1, protect2, sec1, preloader, pgpt, nvcfg… )
Vivo Y15a (V2134) imei backup ( nvram, nvdata, protect )
Vivo Y15A V2134 PD2140IF imei backup unlocktool ( nvdata, nvram, protect1, protect2, sec1, preloader, pgpt, nvcfg… )