saya nak update ambil masa yang lama ?
adakah update fon perlu ambil masa 3 jam ataupun mengikut keadaan?
iPhone 7 Plus, iOS 11
Masa kemas kini berbeza-beza kerana hal-hal seperti kelajuan sambungan Internet dan ukuran kemas kini.
Update your iOS device.
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Update – Can’t or can’t restore
Have you tried using iTunes on a computer or Finder if running Catalina to do the update?
Update software on iOS devices in iTunes on Mac
If you see an error when you update or restore your iPhone, iPad, or iPod