To play 1080p HD video, a 2.4GHz Intel Core 2 Duo or faster processor, 2GB of RAM and an Intel GMA X4500HD, ATI Radeon HD 2400 or NVIDIA GeForce 8300 GS or better are required.To play 720p HD video, an iTunes LP or iTunes Extras, a 2.0GHz Intel Core 2 Duo or faster processor, 1GB of RAM and an Intel GMA X3000, ATI Radeon X1300 or NVIDIA GeForce 6150 or better are required.To play standard definition video from the iTunes Store, an Intel Pentium D or faster processor, 512MB of RAM and a DirectX 9.0–compatible video card are required.PC with a 1GHz Intel or AMD processor with support for SSE2 and 512MB of RAM.While keeps silence through this process only show the apple logo on the screen and some progress indicater but impossible to read for voiceOver it takes about 10 minutes or less. Using iTunes you are able to know the situation in which the update processĮxtracting, installing, verifying software with apple, iPhone rebooting and all those details that updating over the Air or OTA couldn't announce The full installer will replace all files, and likely replace the unexpectedly modified file, restoring compatibility.

The full update is likely to be more stable, as you could have a modified version of a file that the OTA updaters didn't expect to be modified, causing an incompatibility. The difference is which files are replaced-with the iTunes update, it replaces all of the OS files even if some of them are the same copies that were present prior to the update. OTA only downloads the changes since the last update. ITunes always downloads the full OS and installs it. Using iTunes The full update is likely to be more stable The most common problems are: Battery life, Wi/Fi Problem, BlueTooth Issue, or Software Bug.

If there is a problem after installing the delta update OTA, restoring the iPhone with iTunes to install the whole build for the update may resolve the problem.

Updating via iTunes the file size to each device is completely differentĪnd I would understand that for newer iOS devices is to much larger

The OTA updates provides a delta update only while iTunes provided the whole build.ĭelta include small size while whole build unpack the big file using PC or Mac Well the big notice difference as you mention above isįor some people who are confuse OTA and Over the Air means the same thing.

Update itunes software