The final 1.x series release was 1.1.5, released shortly after i Phone OS 2.0.
i OS 4 was the first major i OS release that reflected the name change.
June 2007 saw the official first version release of what eventually became i OS – concurrently with the first i Phone.
You can also use these tricks if your i Phone stuck in Recovery Mode (red i Tunes logo)/reboot loop during updating to a new i OS version and if your i Phone is working fine and suddenly it freezes. Keep pressing the Home (Volume Down button for i Phone 7 and i Phone 7 Plus) and the Power button simultaneously until the Apple logo comes back on again.
As we all know, restarting your i Phone seems to be an omnipotent trick to solve most minor problems on the first try. Then release both buttons and your i Phone should boot up successfully and work normally.
However, things didn't turn out as they expected and many users complained about i OS 11/10 frozen in the update process.
So what should you do if your i Phone freezes up or gets stuck during/after i OS 10/9/8 update? In the following, I'll tell you 4 tricks on how to unfreeze i Phone stuck on i OS 11/10/9 update.
Waited with baited breath, finally Apple i OS 10 update was released with the great improvements in Notification Center, Quick Type, Design, etc.
Following the rollout, a number of i Users began to install via Setting Software Update.
i OS is a mobile operating system, developed by Apple Inc. Updates for i OS are released through the i Tunes software, and, since i OS 5, via over-the-air software updates.