The new iOS 4.0.1 upgrade released to fix the problem with the signal indicator bars in the iPhone is reportedly having some negative side effects. The update is causing problems to the iPhone's photo albums.

iPhone users can see black blocks where should be thumbnail view of their pictures. The users are able to see the picture in the full view mode. The users of iPhone 3GS have been affected the most while the users of iPhone 4 are able to solve the problem with a reboot.

The albums also face another problem as some folders sort the photos according to the date taken while some folders are not sorting the photos on any criteria. The users thinking about downloading the upgrade more information in Apple support forums on the internet.

The upgrade corrects the problem in the signal bars in iPhone 4, iPhone 3GS, and iPhone 3G. The bars will now display the strength more precisely. The iOs software 4.0.1 for Update is compatible to all iPhones models except its first model, EDGE.