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I'm using Digispark Pro with my program successfully.
I bought new  ATtiny167 chip for custom PCB board  (for HID USB device). I use the scheme from: https://electrobattery.ru/product/plata-arduino-digispark-pro-attiny167/ 
and this is not working. Result is: “Unknown USB Device (Device Descriptor Request Failed)”.

What I tried:

1. I read fuse from my digispark pro (E:FE H:DD L:DF). I wrote this fuse successful.  I read flash from my Digispark Pro . I wrote this flash successful. Not working.
2. I tried this variant: https://electronics.stackexchange.com/questions/280993/how-to-write-a-bootloader-and-drivers-for-attiny167. same result.
3. i Tried micronucleus 2.04 (https://github.com/micronucleus/micronucleus) with both fuse variants. same result.

Part2:
I solder out chip (old chip) from my working digispark pro, which successful work with USB. And tried  use this chip on my breadboard. Result: “Unknown USB Device (Device Descriptor Request Failed)”

I tried another variant: i took new chip and soldered it in digispark pro. Try 6 combination: 2 variant of fusses and 3 variant of flash (probootloaderr2.zip from http://digistump.com/wiki/digispark/tutorials/proisp; t167_default.hex dвdrom https://github.com/micronucleus/micronucleus/tree/master/firmware/releases and readed flash from my Digispark Pro). Result: “Unknown USB Device (Device Descriptor Request Failed)”

I returned old chip  to digispark pro. everything works good.

WHAT the problem(((
Please help 

I only write fuses and flash to chip. May be i have to do anything else? 

Please help.


  [1]: https://i.sstatic.net/BdIIJ.jpg