I rolled back to OOS 10 due to a number of bugs with 11.0.0.2. Particularly the battery. It was noticeably better, but still not amazing. There were still a few issues with 10 as well for me. Most notably, I could never get Lastpass persistent notification working. This is quite a pain when you need to go in and copy a username/password manually. The auto fill was very hit and miss too. It would also crash my browser (Brave).
I finally decided to try a custom ROM. To do this, I had to upgrade once again to 11.0.0.2. I tested this ROM for a few days just to see if it would run any better, but nope. The battery life is still poor and the same bugs were present and noticeable. I never had issues with slowness on this ROM which others have complained about. It was purely battery life and some annoying bugs. Below is a quick comparison from my own personal experience with battery life across different ROMs.
OOS 10.5.12
Battery life: 6-7 hours Full HD / 120hz
OOS 11.0.0.2
Battery life:5-6 hours Full HD / 120hz
Custom ROM (Not sure if I'm allowed to mention it)
Battery life: 9-10 hours QHD+ / 120hz
The difference here is astonishing. My usage was very, very similar across all devices. Note that I do not play games on my phone, so expecting 9 hours while gaming I wouldn't think is achievable. My battery saver kicks in at 40% but once again, this is the exact same for all ROMs.
Absolutely no bugs whatsoever to report so far, after 3 days of use. No issues with YouTube auto rotate, delayed SMS, Lastpass persistent notification or browser crashes.
This ROM also allows you to configure the slider however you want. So, instead of just silent, I can change this to DND. OnePlus had this feature but rather bizarrely, removed it. I find it really useful.
The only issue with the ROM is that it disables Netflix HD due to the unlocked Bootloader. This doesn't at all bother me as I barely use it. There are workarounds for this.
Also worth noting that Always On display is OFF however, I would be very confident in saying that compared to either stock ROM, it would be significantly better. Happy to test this if it helps someone.
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