万分感谢🙏
This topic created in 3996 days ago, the information mentioned may be changed or developed.
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1
stevenx Jul 4, 2015
看来只能手动备份。
https://discussions.apple.com/thread/6883801?start=0&tstart=0 It is not possible to downgrade to Mavericks without wiping the disk drive first. The installer will not allow an older version of OS X to be installed over a newer version that is the reason you must erase. |
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