STEP 1 OPEN UNLOCKTOOL
STEP 2 SELECT VIVO TAB
STEP 3 SEACH VIVO V15 CHOOSE NEW SEC PATCH
STEP 4 SELECT BROM FACTORY RESET
"POWER OFF PHONE"
"FOR BOOTKEY SELECT VOL +- "
STEP 5 INPUT USB CABLE AND WAIT FOR FINISH
STEP 6 IF THERES FRP CHOOSE BROM ERASE FRP AND WAIT FOR FINISH
#DONE SEE PICTURES BELOW
STEP 2 SELECT VIVO TAB
STEP 3 SEACH VIVO V15 CHOOSE NEW SEC PATCH
STEP 4 SELECT BROM FACTORY RESET
"POWER OFF PHONE"
"FOR BOOTKEY SELECT VOL +- "
STEP 5 INPUT USB CABLE AND WAIT FOR FINISH
STEP 6 IF THERES FRP CHOOSE BROM ERASE FRP AND WAIT FOR FINISH
#DONE SEE PICTURES BELOW
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