While I completely agree we as web developers should make our mobile sites work with as many browsers as possible I think it’s crazy to expect anyone to test on more than iPhone and Android.
http://www.quirksmode.org/blog/archives/2010/02/the_iphone_obse.html
Sure, there are a ton of Blackberry users and Symbian users but when was the last time they went to a web site? Maybe out of desperation but it’s not something they do on a regular basis. I say you make it easy for a user to contact you and if you get a few Blackberry users that are interested enough to let you know your site sucks on their device then you can work with them to get it fixed. Beyond that you’re just solving problems you don’t have.
That’s not to say a web developer should IGNORE every other browser and be ignorant of what they could do to make their site work on as may mobile browsers as possible but there has to be a limit. One thing we know is that iPhone and Android users a) have a data plan and b) have a decent mobile browser. Can’t say that for these other supposedly popular platforms.
Mentioned in the article is that in the future the browsers for Blackberry and Symbian will get better and when they do and people start looking at sites with those browsers. It’s been 3 years since iPhone and 18 months since Android and nothing so far from Blackberry. I think I’ll worry about it when one of those companies actually deliver something.
Sheldon