According to Engadget Mobile, AT&T is near completion of upgrading its HSPA network. Previously and currently, the fastest 3G standard in AT&T's footprint is HSDPA, which allows for fast download of data. AT&T is six markets away from completing the upgrade to HSUPA for fast upload. This means that HSUPA will be available in 275 markets with another 75 markets to get fast data access by the end of