How to Diagnose I'm thinking of updating my MBP mid 2015 15" and Seeking Advice After an OCLP macOS Upgrade
Power, battery, Touch ID and trackpad behaviour after OCLP upgrades is usually firmware, SMC or root-patch related.
Step-by-Step Fix:
- Back up first: Make a Time Machine backup or clone before changing OpenCore, EFI, root patches, or macOS versions.
- Reset low-level state: Reset NVRAM/PRAM, then perform the correct SMC reset for the Mac model.
- Re-apply patches: Open OpenCore Legacy Patcher, run Post-Install Root Patch, reboot, then test again.
- Check hardware health: Review cycle count, battery service status, trackpad settings and Apple Diagnostics before blaming macOS.
- Compare with a supported OS: If the issue is critical, test Monterey or the last officially supported macOS to rule out failing hardware.
Final check: Change one thing at a time, reboot, and keep a copy of the last working EFI before the next test.
Original Question: "I'm thinking of updating my MBP mid 2015 15" and Seeking Advice"
I have a 2015 MBP 2.5Ghz 4core i7 model with intel iris graphics(1.5gb of vram), 16gb RAM 500gb storage, and a self-replaced battery with only ~230 cycles on it.
However, its running MacOS Monterey, and though it works flawlessly with applications like Photoshop, documents, video, games once in a blue moon(minecraft). I want to be on a newer more modern and secure version. I am a student though and want to know how badly an upgrade to Sequoia would affect battery life, I use AlDente and Turbo Boost already to help with battery, but can anyone tell me (after indexing) if its worth it? I would be able to test it myself this summer but also want to know if there is any advice to someone seeking the best battery life under an OCLP install.
I am also wondering if the mid-2015 13 inch models that can work extremely well with good battery life as well, as the 15" is a bit clunky and it would be nice to have a smaller less powerful school workhorse.
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