Updating from Big Sur to Sequoia Without a Clean Install
If you want to upgrade your Late 2013 15-inch MacBook Pro (16GB RAM) from Big Sur to Sequoia without erasing your SSD, you can perform a direct in-place update using OCLP. Here is the step-by-step guide to doing it safely.
Important Prerequisites
- Backup: Always make a full Time Machine backup before upgrading, as system upgrades can occasionally fail.
- Storage: Ensure you have at least 30-40GB of free space on your SSD.
Step-by-Step Upgrade Guide
- Update OCLP First: Download and open the latest version of OpenCore Legacy Patcher. Go to Settings, ensure your host model is correctly identified, then click 'Build and Install OpenCore'. Install it to your internal drive's EFI partition and reboot.
- Download the Sequoia Installer: Open the patcher, select 'Create macOS Installer', then choose 'Download macOS Installer' and select macOS Sequoia.
- Run the Update: Once downloaded, OCLP will ask to extract it. Once extracted, you can launch the installer directly from your Applications folder. Choose your internal drive and let the installer run. The Mac will reboot several times.
- Post-Install Patches: When the upgrade completes and you reach the desktop, open OCLP again. It should prompt you to install root patches. If not, click 'Post-Install Root Patch' manually to install graphics and Wi-Fi kexts. Reboot one final time.
Original Question: "Just update (not clean install) from BigSur to Sequoia on MacBook Pro 15 late 2013 16gb"
Hi all.
not use my mac a long time and found out that almost every app need newer version of OS
so I checked video about how install it on older models but everybody said you need only clean install to get it done right…
don’t wanna erase info from my SSD and want just update os. Anybody tried this with older models? Any issues or instability?
Thank you in advance.
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