Exe version: NCKBox AndroidMTK 1.8.8.8
Selected model: A71
Action: Reset FRP
Reinsert phone battery.
Battery must be charged.
Keep VOL+ button untill inserting USB cable.
Detected : OPPO PreLoader USB VCOM (Android) (COM4)
Phone detected...Please wait
Using Algo 3.
Helio MT6755 phone detected, swithing to helio api
Loading Custom Preloader
BBCHIP MT6755
EMMC FW VERSION: 00:00:00:00:00:00:00:00
EMMC CID: 15010047453642 : 000000000000000000
EMMC UA SIZE: 0x3a3e00000
BOOT STYLE: EMMC BOOT
FULL LENGTH: 0x3a4a00000 [14.572 GB]
High speed disabled by user, continue with this settings.
-Reading GPT Drive OK
Checking data, wait...

Erasing FRP, wait...
FRP Reset Done.
Wait untill phone will start charging.
All done.