huawie atu-l11 not accepting any code to unlock done

tried to factory reset no luck..try to update still no luck

so it came to my mind to use repair as empty board in umts tab
just read the phone 1st and just check repair as empty board
and click repair

logs:

New Model : ATU-L11
2019-04-29 03:54:35.739 Connecting to server...
2019-04-29 03:54:36.219 Connected!
2019-04-29 03:54:36.229 Open COM port COM198 (DBAdapter Reserved Interface (COM198))...
2019-04-29 03:54:39.479 Waiting for server responce (up to 29 seconds left)...
2019-04-29 03:54:41.829 Read phone secure info...
2019-04-29 03:54:42.071 Read phone basic info...

2019-04-29 03:54:42.151 Phone info data backup saved to file C:\UMTool\UltimateHwe\Backup\20190429_035442_F6N9X 18B01C04764.BAK

2019-04-29 03:54:42.421 Erase modems...
2019-04-29 03:54:42.431 Read from server...
2019-04-29 03:54:42.841 Read from server success!
2019-04-29 03:54:48.651 Waiting for server responce (up to 29 seconds left)...
2019-04-29 03:54:53.272 Erase modems success!
2019-04-29 03:54:53.282 Write SN...
2019-04-29 03:54:53.292 Write SN success!
2019-04-29 03:54:53.302 Write Vendor and Country...
2019-04-29 03:54:53.322 Calculating phone secure data...
2019-04-29 03:54:53.962 Calculate success!
2019-04-29 03:54:53.962 Writing phone secure data...
2019-04-29 03:54:53.982 Writing phone secure data success!
2019-04-29 03:54:54.242 Write Vendor and Country success!
2019-04-29 03:54:54.252 Write model...
2019-04-29 03:54:54.272 Write model success!
2019-04-29 03:54:54.272 Write bootloader code...
2019-04-29 03:54:55.222 Write bootloader code success!
2019-04-29 03:54:55.232 Write Public Key...
2019-04-29 03:54:55.552 Write Public Key success!
2019-04-29 03:54:55.562 Write FRP Key...
2019-04-29 03:54:56.492 Write FRP Key success!
2019-04-29 03:54:56.502 Write IMEI 1...
2019-04-29 03:54:56.512 Calculating phone secure data...
2019-04-29 03:54:58.002 Waiting for server responce (up to 30 seconds left)...
2019-04-29 03:55:01.298 Calculate phone secure success!
2019-04-29 03:55:01.308 Writing phone secure data...
2019-04-29 03:55:01.448 Writing phone secure data success!
2019-04-29 03:55:01.788 Write IMEI 1 success!
2019-04-29 03:55:01.798 Write SIM CARD MODE...
2019-04-29 03:55:04.118 Waiting for server responce (up to 29 seconds left)...
2019-04-29 03:55:05.808 Write SIM CARD MODE success!
2019-04-29 03:55:05.818 Write Benchmark Flag...
2019-04-29 03:55:05.838 Write Benchmark Flag success!
2019-04-29 03:55:05.848 Write Factory Version...
2019-04-29 03:55:05.848 Write Factory Version success!
2019-04-29 03:55:05.858 Write DIAG Lock...
2019-04-29 03:55:11.659 Waiting for server responce (up to 29 seconds left)...
2019-04-29 03:55:13.069 Write DIAG Lock success!
2019-04-29 03:55:13.079 Write clean NV items...
2019-04-29 03:55:13.099 Write clean NV items success!
2019-04-29 03:55:13.109 Sinhronize NV...
2019-04-29 03:55:13.269 Sinhronize NV success!
2019-04-29 03:55:13.279 Start Factory Reset...
2019-04-29 03:55:13.289 Start Factory Reset success!
New Bootloader key = U8xxxxx
New FRP key = 3xxx
New DIAG key = xxxx
2019-04-29 03:55:13.309 Finished!

after this the phone accepts the code and it unlocked now..

from GSM-Forum http://bit.ly/2UMK3xx
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