It is not always easy to connect to UBT
Many factors
Windows OS
Version os UBT
Proper driver installed
Male to Male USB
Length of USB cable
Holding in reset (toothpick method)
Applying Power
and many other factors
Post some info re: China box you are testing on?
Etc...
Have not tested SD burn card maker or Balena etcher or Win disk burn with this Rom
Unsure if will boot
Happy Testing
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