huawei LDN-L21 FRP EROR

Chimera Mobile Phone Utility version: 18.31.0959 @ 2018-08-07
Printing phone history

FRP Remove
8/7/2018
10:46:54
AM

Removing factory reset protection...
Collecting information about the device...
Removing factory reset protection lock...
It did not work.
Removing factory reset protection lock...
It did not work.
Checking if factory challenge needed...
Reading factory challenge...
Calculating response for the challenge...
This may take a while.
Be patient! Do NOT disconnect the phone!
Sending response to the device...
It did not work.
Reading factory challenge...
Calculating response for the challenge...
This may take a while.
Be patient! Do NOT disconnect the phone!
Sending response to the device...
Failed to send the response!
Finished at local time: [08.07.18 15:48:53]
WorkID: 42031806