Upgraded from iOS 8.3 to 9.0 today, because I heard that 9.0 has multitasking and split-screen display functions, so I upgraded it today
Upgrade as above, first download the firmware package corresponding to your model, then open iTunes, hold down Shift and click the restore button, and select the firmware package you downloaded
The time to upgrade to iOS 8.3 9.0 is about 10 minutes, please back up your pictures and other content before upgrading, after the upgrade, your device will be emptied of the content on your original machine
In the past, when I restored my iPad, the device would not delete the previous data, this upgrade, and found that the previous data was gone. Please save your information before upgrading
Below is a screenshot of my successful upgrade
After the upgrade is completed, the boot is a bit stuck。。。。。。
After the upgrade is completed, QQ can't read the photos, and I don't know why.
Find these two bugs now
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