Errors during manual update process via fastboot

[AnotherElk]

@kirschbaum

Actually it improved a little with a different cable, reaching one step further in the process.

It is perhaps worth some more tries.

While updating phone can't find system partition any more

Ok, I did that more than once, but now it worked

While updating phone can't find system partition any more

I got it to work eventually too! I just kept trying it again and again.