I'm not root, so I cannot enable this.
Any solution should come without rooting the phone, because I'll lost the data in this process
Easy solution is to build this new 1.9.x mod with same signature as the previous 1.8.x mod
Hello, I did a fresh install with version 1.8.39 from this site, and then now I'm trying to install v 1.9.25 on top of it, but I got error: Failure [INSTALL_FAILED_UPDATE_INCOMPATIBLE: Package com.ludia.jw2 signatures do not match previously installed version; ignoring!]
I don't want to...