Originally Posted by stevemass
Like many of us, I kept having my calls dropped on my 7290 (a minute or two into the call the other person suddenly couldn't hear me).
I took the advice of a fellow forum member and upgraded my old 32k simcard (left over from my previous phone) to a new 64k simcard... and no dropped calls since!
I'd suggest anyone with this problem tries this fix. FYI, the Cingular store only gave me a free simcard upgrade when I called customer service first and had them approve it.
How can you tell the size of a sim card?