How to Repair IMEI Vivo Secured " Preloader Port " devices ?
Procedure :
1) Select any vivo model with 6765 cpu
2) In option Uncheck Force Preloader to brom
3) In Option Download Agent -Uncheck DA Patch
4) Boot info
5) Backup preloader in PM Tab , remember the location
6) Erase the preloader in PM Tab
7) Reboot phone (Phone now Dead and brom detected)
8 ) In Brand Select auto, In option reset default settings
9) In Option Uncheck autoloader , In option Uncheck preloader dump, Load the preloader you backup in PREL button
10) Boot Info - phone booted in brom
11) In Repair IMEI TAB , Select vivo flashmode , input imei, uncheck auto reboot then execute
12) After repair IMEI, writeback the preloader, goto PM TAB double click preloader load the backup you made, then write
13) Now, You can reboot the phone. Phone now alive and IMEI Repaired..
Note : NVRAM/NVDATA IMEI Overwrite upon reboot(IMEI from RPMB)
Best regards
Hydra Team