So waiting until we have more light on the issue. I am thinking of first updating to 11.2 and then trying 11.6 but am somewhat nervous about this whole thing. Meanwhile I have downloaded the BigSur 11.2 but am yet to install it. Clearly this update has been written in a hurry. pls check internet connection") at 15 minutes remaining. After repeated attempts last night, upon complete of download I still see the same error message( "error occurred while downloading selected updates. I have over 2TB of hard drive space, a FIOS internet connection and an iMAC 27 inch late 2014 model running BigSur 11.4. Phillips than you so much for keeping everybody alive! Could it be possible that issues are coming up when one upgrades from versions of Big Sur prior to 11.5.2 ? I have had the same issues as all others and have abandoned the update until there is clarity. They are useless, unneeded, cause havoc and interfere with the normal operation of the OS and may even Corrupt the OS requiring a Reinstallation. Have found this method more reliable than the Software Update which is very iffy at bestĪre there any AntiVirus, Disk Cleaner, Optimizers, Defrag, VPNs etc installed which should be removed as per Developers Instructions. If desired - have an External Drive - Copy & Paste the Install Big Sur Application to external drive for future usage - making a Bootable Installer. Stop there and perform a Time Machine Backup. Eventually, Full Installer will download and a New Application in Applications Folder will present called Install Big Sur. Same goes for clock at 10 minutes could be 20 minutes in Real time. Countdown clock may say 15 minutes but in Real time may be 30 minutes. It will take some time and several pauses will occur - normal. Once Logged in - open Apple Apps Store and Get the Full Version of Big Sur. It does a Repair Disk, Clear System Cache files and only load Apple Software, extensions and Fonts. If via Wifi - Disconnect all other Devices using the Wifi - want the Maximum Bandwidth only for this computer. Shutdown computer and disconnect all External Drives. For M1 CPU the Recovery Mode is Hereģ - This method may seem unnecessary but sometimes the Router Restart clears Network issues from ISP to Apple Servers It too will download the full Installer and commence the installation. It will be the 11.6 version and once downloaded run the installer from the Applications folder.Ģ - Restart the computer in Recovery Mode ( INTEL Command + r ) and choose Reinstall macOS. There are several ways to download the Big Sur 11.6 update.ġ - Connect to Router via Ethernet connection and restart the computer in Safe Mode and then open the Apple Apps Store and get the Full Installer of Big Sur. If via wifi too many Other devices using the wifi at the same time reducing the Bandwidth to your computer.īest Results are via Ethernet Cable to Router Software on the computer interfering with the download process, running behind a VPN. Too many other people downloading at the same time and Apple Severs are overloaded. There are factors like poor Wifi connection, slow wifi connection. If this update is for Big Sur 11.6 the error message can be misleading. The lack of empty Space will be a factor and if leas than 15% of the total disk capacity - there will probably be issue now or later. First thing to check is Empty Disk Space.
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