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
![Retevis RT84](/UploadedMedia/image/20190627/6369725314679859212296772.png)
Secondly,opening this file “setting’’ to change password to ‘password=password’
![Retevis RT84](/UploadedMedia/image/20190627/6369725315907445411444324.png)
Finally, please try to read and write RT84 radio again
#Other Radio FAQ