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1，我需要提供我儿子的 original divorce degree to the USCIS to upgrade I-130 status from F3 to F1? 还是 copy 就可以了？

-Photocopy only! Never provide any original documents to USCIS unless USCIS request specifically.

2，pending I-130 会影响到我孙子申请美国大学以留学生的身份来美国吗？

-No. The I-130 is irrelevant to the kid, so the kid does not need to report the I-130 when he applies for F-1 visa.