Before upgrading the Mac OS in MacBook Air, we need to know the latest version of Mac OS which is compatible with MacBook Air they are Mojave, High Sierra, Sierra, EI Capitan. There are some essential tips of upgrading Mac OS
OSX compatibility with MacBook Air
Clean up your MacBook Air
Check your application
Preserve complete Backups
Determine how to download Mac OS
If you are facing above that trouble, we are here to fix your problem. We replace all Â model of MacBook Pro such as A1989, A1990, A1707, A1706, A1708, A1502, A1398, A1425, A1278, A1286, A1297, A1260, A1261, A1229, A1226, A1211, A1212, A1150, A1151.