Wrong : fastboot flash unlocktocken Unlock_code.bin
Correct : fastboot flash unlocktoken Unlock_code.bin
try agaın ...
The problem is you spelled the word token wrong in the command.
You have it spelled tocken so it won't work.
fastboot flash unlocktoken Unlock_code.bin
Sent from my HTC One_M8 using Tapatalk
Thank you so much for all the efforts manup
Check whether your unlock_code.bin is spelt Unlock_Code.bin or Unlock_code.bin
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