Unbrick mycloud 1 bay gen 2

Lets step back here. What directions are you using to unbrick your second gen My Cloud?

If following these directions: https://fox-exe.ru/WDMyCloud/WDMyCloud-Gen2/_Unbricking_en.txt Are you using the first method or the alternate method?

Rather than trying to upload the very latest v2.x single bay My Cloud firmware try using an older version as a troubleshooting step if you haven’t done so already.