Please post full procedure for unbrick HUawei silicone phone

Hi
I have bricked PRA-LX1 :(

I tried write firmware : PRA-LX1C432B212

SigmaKey 2.28.03b1 HiSi: Write firmware
(ADB) Writing flash...UPDATE.APP
Firmware: PRA-LX2C999B000
This operation may brick the phone! Are you sure you want to proceed? [YES]
Phone model: PRA-LX1
Version: :NRD90M test-keys
Writing flash fw_lpm3...OK
Writing flash fastboot...OK
Writing flash modemnvm_update...OK
Writing flash teeos...OK
Writing flash trustfirmware...OK
Writing flash sensorhub...OK
Writing flash fw_hifi...OK
Writing flash boot...OK
Writing flash recovery...OK
Writing flash recovery2...OK
Writing flash dts...OK
Writing flash modem_fw...OK
Writing flash system.1...OK
Writing flash system.2...OK
Writing flash system.3...OK
Writing flash system.4...OK
Writing flash system.5...OK
Writing flash system.6...OK
Writing flash vendor.0...OK
Writing flash product.0...OK
Writing flash...Done
Restarting phone...OK

Now phone is in recovery mode.

Also I dont know what was exacly firmware version.

Phone model: PRA-LX1
Version: :NRD90M test-keys

I tried another firmware, but sigma always recognized its like Firmware: PRA-LX2C999B000 ????