China UPA USB programmer V1.3: bad VS good

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One user feedback:
Bought 2 red UPA USB programmer with same serial number! 0544961E
None can read any eeprom (vdd/vcc out of range), tried everything, even read the 24c128, nothing worked.
Have another 4 UPA, plug in old upa and read perfect.

Then how to tell if UPA is good or bad?
Bad VS good PCB board:
Good upa from obdexpress.co.uk VS bad upa from XX site, both same price.
Good upa from obdexpress.co.uk is red PCB shown as follows.

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