ANE-LX1 FRP repair failed

hy.
i try to repair FRP ON to this model but not work
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Chimera Mobile Phone Utility version: 21.50.1151 @ 2019-06-26
Printing phone history

FRP Remove
26.06.2019
06:51:14

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...
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...
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...
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: [06.26.19 10:06:26]
WorkID: 64011624

phone are sw version
ANE-LX1 8.0.0.150(C550)

any solution for this version?
tks in advanced
akaygsm