Can sending and receiving SMS in Android be re-edited? Can it be used as legal evidence?

You can change it or check it. Internet service providers have the hash value of your message, even if you change a comma, it's different. If you really have proof.

According to the People's Republic of China (PRC) Electronic Signature LawNo. 18 promulgated by President People's Republic of China (PRC) in 2004,

First, the following conditions must be met.

1. SMS reply is indeed an example and has not been modified.

2. SMS is the communication between the parties to a case within a specific period of time.

3. Whether the SMS quoted by mobile phone should be legal in procedure (meaning that the source, collection process or extraction method of evidence must comply with the law), form and subject (mainly for witnesses).

(1) Whether the SMS evidence is objective and true;

(2) Whether it is subject, time, place, process, object, etc. Whether the evidence collection of SMS is legal;

(3) Whether the SMS evidence is illegally input and controlled by others.

The provisions of the preceding paragraph shall not apply to the following documents:

(a) involving marriage, adoption, inheritance and other personal relationships;

(two) involving the transfer of rights and interests of real estate such as land and houses;

(three) involving the cessation of water supply, heating, gas supply, power supply and other public utilities services;

(4) Other circumstances in which electronic documents are not applicable as stipulated by laws and administrative regulations.