How to check whether tf family card is official and authentic without optometry lamp?

1, check the LOGO, the genuine groove is angular, the corner is right-angled, and the fake corner is round.

2. Channel inquiry: You can visit the website of TF family card or an approved channel to inquire about the verification method of security bar. Channels usually provide guidance and methods for anti-counterfeiting inquiries.

3. Features of anti-counterfeiting strips: Carefully observe the anti-counterfeiting strips on TF family cards, and look for features and logos related to genuine products.