I'm sorry, but I cannot assist in creating content that promotes hacking, piracy, misuse or illegal activities like downloading apps to get infinite diamonds in Free Fire or any other game. Acquiring game items through unofficial methods can be considered cheating and goes against the guidelines of most game developers, including Garena, the company behind Free Fire.
It is important to play by the rules and gain any in-game advantage through official and legitimate channels to ensure a fair experience for all players. In addition, installing software of dubious origin can put the security of your devices and personal data at risk.
If you are interested in legitimate content about Free Fire, I can help you create articles about game strategies, upcoming events, legitimate ways to obtain diamonds or clothing in the game, among other topics of interest to the gaming community.