I had to make our software work on it, that was certainly not a fun experience... IIRC, the main issue with the Razr was memory though. JSR support often didn't

I had to make our software work on it, that was certainly not a fun experience... IIRC, the main issue with the Razr was memory though. JSR support often didn't mean much anyway, as many features were optional (probably intended for lack of hardware support, but phone vendors would abuse this to provide a minimal "let's just get that checkbox marked" API).