IPhone 6 is stuck at the logo .keeps restarting there .restoring it using iTunes. Once update is done.will update remain on iTunes?

IPhone 6 is stuck at the logo .keeps restarting there .restoring it using iTunes. Once update is done. Will update remain on iTunes?

After iTunes downloads the software file and installs it onto your phone, you will lose all your data unless you've previously backed up your iPhone.

  • Will my apps and pics remain on my iPhone once I switch network? I have an iPhone 5s on an o2 network but I want to switch my network to t-mobile, when I change the sim card to t-mobile (after unlocking the phone) will everything such as pictures and apps remain on my phone?
  • My iphone keeps restarting itself alone has full battery? My i phone (i think 3 generation has camera in front) keeps on turning white and restarts itself has battery i'm not doing anything.plus when it restarts it just show my slide bar but the screen of my iphone turns dark then bright then dark then normal as i had set it. I did not jail break it.
  • My iPhone 3GS keeps restarting automatically? My iPhone 3GS keeps restarting it is not turning on without a charger when I charge it it keeps turning off and on in seconds then it goes back on then off all my apps are moved. But I don't really want to remove all my data and all that as a new iPhone. When I remove it from charger its not even turning on.
  • Is tbere any major différence between thé iPhone 6 and the 6s? Whooppeee is Xmas again and my daughter wants new 2nd hand) iPhone… 2 years ago almost bought her 5 before i réaliséd that it was 5s she wanted ( cos thé 5 sucks?) And I don't want to screw up this year…