Click the Tian Tian Fund icon on the main interface of 1 mobile phone to open the Tian Tian Fund APP.
2 Click the "Personal Icon" in the upper left corner of the main interface of Tian Tian Fund to open the personal information interface.
3 Personal Information Interface Click "Security Center" to open the Security Center interface.
4 Security Center Interface Click "Fingerprint" to open the fingerprint interface.
5 Click the point behind "Fingerprint Unlock" in the fingerprint interface.
6 The dot behind "Fingerprint Unlocking" turns green, indicating that Tian Tian Fund has successfully unlocked the fingerprint.