Yesterday we reported on rumors that AT&T were capping iPhone 4 upload speeds in numerous cities.

Today it appears that this was not a conscious decision on AT&T’s part, a software glitch was to blame.

Many iPhone 4 owners were complaining that their upload speeds were capped at a maximum of 100Kbps, limiting their ability to share media and data captured on their new handsets.

According to AppleInsider, an unnamed source has trashed that rumor stating that “the issues are a result of an unintentional software glitch related to High-Speed Uplink Packet Access in some sections of the country.”

According to the source, AT&T are fixing the issue as we speak.

AT&T hasn’t issued a formal response to the matter as of yet, we are guessing that disgruntled users should be able to enjoy faster uploads very soon.

[H/T – EverythingiCafe]