huawei CRO-L22 remove frp failed

Welcome to Octoplus FRP Tool v.1.7.1.0
Platform: HUAWEI
Selected model: CRO-L22
Please, power phone OFF and connect USB cable.
Searching for a phone. Please wait...
Found phone on COM86
Detecting Chip Version...
HW Chip: MT6737: 0335.0000
HW Version: 8A00.CA00.0000.0000
Connecting...
Brom Version: 05
BootLoader Version: FE
Sending auth...
Searching Download Agent...
Selected DA: MTK_AllInOne_DA_Octoplus_Huawei_v.1, n.9
Sending Download Agent...
Operation was failed!
Performed by 1.7.1.0 Software version.

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