1. The mobile phone should support the fingerprint identification function. If the fingerprint information is entered in the mobile phone in advance, the fingerprint can be directly verified when the function is turned on; If no fingerprint information is entered, this function can only be turned on when fingerprint information is entered.
2. Opening the fingerprint signature function requires advanced pedestrian face authentication to ensure the authenticity of identity.
3. When the fingerprint function is turned on, it will be set as the default signature mode. When the fingerprint signature function is turned off, it should be turned off on the settings page.
Legal basis: Article 13 of People's Republic of China (PRC) Electronic Signature Law shall be regarded as a reliable electronic signature if it meets the following conditions at the same time:
(1) When the electronic signature production data is used for electronic signature, it belongs to the exclusive rights of the electronic signer;
(2) When signing, the electronic signature production data is only controlled by the electronic signer;
(3) Any changes to the electronic signature after signature can be found;
(4) Any changes to the content and form of the data message after signature can be found.
The parties can also choose to use electronic signatures that meet their agreed reliable conditions.