Huawei ascend Mate2 4G with error 398.

[HuaweiMT2]

need help! keep getting "unknown error 398" no matter which usb port is use.
Does anybody know how to fix this error?

DC - Unlocker 2 Client 1.00.1308

Detecting phone :

selection :
manufacturer - Huawei phones
model - Auto detect (recommended)

Model : Huawei phone in fastboot mode
Serial NR. : B2S7N15929000488

*******************************************
Bootloader Lock State: LOCKED
System State: need to verify
Boot image need to be verified
Recovery image need to be verified
Bootloader Version: 001.001.000
*******************************************

================================================== =================

Factory reset protection Erase start

unknown error (398)

================================================== =================

Factory reset protection Erase start

unknown error (398)

[Vincentas]

If you want to unlock it from network, then at unlock time phone must be in manufacture mode. How to unlock your phone you can find here https://www.dc-unlocker.com/huawei-a...m-unlock-guide