What is the circled thing in the picture? Can it be removed? Does it affect usage?
If it does not affect the use, could you provide a statement to prove it on behalf of the company?
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
HI
这个建议直接焊锡来试一下,原因我不确认这个是污渍还是氧化?
不过你可以找一下你购买芯片的渠道商,如果不这类不良比较多,可以换货的。