tecno in2 how remove frp with umt

tecno in2 how remove frp with umt
i am try fast boot mode but eror come

Port : Fastboot Interface
Baud Rate : Not Applicable
Device : Generic
Operation : MTK FRP Reset
Searching for Device in FastBoot Mode... OK
Reading Information... OK
FastBoot Ver. : 0.5
Product : IN2_H391
Warranty : Yes
Bootloader : Locked
Bootloader is Locked. FRP Reset may fail!
Removing FRP Lock... Failed! Protected Device
Operation Failed.
Elapsed Time: 00:03
[Module Ver. 5.2]
please tell me