This topic page has been trying its best collecting the most complete possible solutions to various i OS 11.2/11.1/11 upgrading problems, you may encounter, for all i OS models: i Phone 8/X/7/6s/6/5s/SE/5/4s, i Pad, i Pod touch. Besides, since i Phone 8 has arrived on September 22nd, and i Phone X will also be coming in November, we will continue this journey of collecting and finding more practical solutions to more i Phone 8/X problems and issue. It frequently occurs when you upgrading i OS 11 directly on device.
We also write many topic pages about these i Tunes errors, you can directly visit them to look for more possible solutions: 1.
So the most frequently used method is to restore your device, and upgrade, with i Tunes.
Many times we have disallowed App Store to use cellular data. Usually we recommend sincerely our users to try with Phone Clean to clean browsing junk files, cookies, temporary files, downloading files, etc. Check whether the lighting ports of your device are clean. Change another cable, charger and even battery to get your device work in normal.
Press and hold both of the "Sleep" and "Home" buttons at the same time for 10 seconds until Apple logo appears on screen.
for i OS - #1 i Phone i Pad i Pod Data Recovery Download Phone Rescue for i OS now to restore lost i OS data easily from i OS devices directly, because of i OS 11 updating.
Besides, it also supports retrieving data from i Tunes and i Cloud backups.
Normally we can use i Tunes to back up our devices. Swipe to the right while you’re on your device’s home screen. Also, you can choose to reset it or turn it off and try downloading the update again. However there is a possibility that Siri may do not work after i OS 11 upgrading.
The most direct solution is to transfer our data and files from i Phone i Pad i Pod to another i OS device. View these solutions in details, please check the full guide: How to Fix: i Phone i Pad Not Charging or Charging Slowly Some users reported that their i Phone i Pad i Pod were faced with temperature too high warning - “i Phone i Pad i Pod needs to cool down before you can use it.” during updating. The easiest way is wait for a while until the device cools down itself. Go to Settings Sounds to adjust the volume of ringtone. Make sure you have "mute" button set to ring instead of silent. We can just say “Hi, Siri” to find what we would like to eat, where we want to go and how, and more. However Safari would occasionally break down after i OS 11 updating, feedback from many users, with symptoms of Safari not working frequently, crashing all of sudden, page loading slowly, page interface broken, etc.
A few months after i OS 11 announced at WWDC 2017, now this biggest i OS upgrading this season has finally arrived, on 19th September.