How to solve Retevis RT84 programming password issue?

Normally it needn’t any password when you programme RT84, if you meet this question, please follow this method to try to solve, Most of customers solved this question by this method.

Fistly, finding RT84 software files you download, like this photo below

Secondly,opening this file “setting’’ to change password to ‘password=password’

Finally, please try to read and write RT84 radio again