huawei y6.2019 turns on and off after frp

--------- 2019-09-24 09:26:16 ---------
SigmaKey 2.33.07b3 MTK: Remove FRP (Huawei MRD-LX3)
Baseband Processor:MT6761, HW Rev. A.01, SW Rev. 2.00
Testing external RAM...DRAM, 2 Gb
Detecting flash...eMMC, Flash size: 29.14 Gb
Removing FRP lock......Done
--------- 2019-09-24 09:28:44 ---------

SigmaKey 2.33.07b3 MTK: Remove FRP (Huawei MRD-LX3)
Baseband Processor:MT6761, HW Rev. A.01, SW Rev. 2.00
Testing external RAM...DRAM, 2 Gb
Detecting flash...eMMC, Flash size: 29.14 Gb
Removing FRP lock....Not found