That's a different subject. You said:
Before iPhone there were no successful smartphones.
I was responding to that. It's factually incorrect. The BlackBerry existed first, it was a smartphone, and it was successful until competition from Apple (and eventually Android) rendered it obsolete.
I'm not arguing that the BlackBerry was particularly great. I'm not arguing that the iPhone wasn't better in many ways. It's just that claiming the iPhone was the first "successful smartphone" is just wrong.