[OP3+3T][ROM+KERNEL] Unofficial LineageOS 14.1 with custom kernel [January 09, 2020]
- Thread starter Sultanxda
- Start date
No, you can't use the firmware of pie on a nougat Rom.
You'll need to downgrade
Depends on Denis (@denser), if he got some spare time and want to build, otherwise no.
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398Code:
/* * Your warranty is... still valid? * * I am not responsible for bricked devices, dead SD cards, * thermonuclear war, or you getting fired because the alarm app failed. Please * do some research if you have any concerns about features included in this ROM * before flashing it! YOU are choosing to make these modifications, and if * you point the finger at me for messing up your device, I will laugh at you. * */
This is a unified LineageOS 14.1 ROM that works on both the OnePlus 3 and OnePlus 3T. This ROM comes with a highly-customized kernel, as well as some other very custom modifications.
Custom kernels are not compatible with this ROM. I will NOT provide support if you install a custom kernel.
Changelogs for each update can be found in the 2nd post of this thread.
ROM features:
- Based off latest LineageOS 14.1 sources (root access is NOT included)
- OTA updates via built-in updater in Settings
- Fast fingerprint unlock
- Pocket mode for the fingerprint sensor (this is always enabled)
- Custom camera app featuring:
-Photo quality comparable to OxygenOS
-Anti-shake mode (increases the shutter speed to reduce motion blur)
-Manual shutter speed control (1/5000th of a second up to 30 seconds)
-Manual ISO control
-EIS when recording video at resolutions lower than 4k UHD
-Video HDR mode
-Antibanding control
-Exposure control
-Denoise control
-Face detection
-HDR
-Many other manual controls - Many other misc. performance and stability improvements under the hood
Kernel features:
- Rebuilt from the ground up using the latest Nougat Snapdragon 820/821 base from Qualcomm (CAF)
- Removed lots of excessive bloat (improves security and performance)
- Improved stability (several bugs not listed here have been fixed)
- WireGuard, a next generation secure VPN tunnel (more info)
- F2FS support
- DASH charge
- Passes SafetyNet bootloader unlock check
- Dynamic CPU input boost driver I wrote myself (makes the phone feel smooth without destroying battery life)
- Reduced display power consumption
- Touchscreen gestures are automatically disabled when the proximity sensor is covered
- Improved touchscreen processing latency
- Improved audio jack detection (no more weird buzzing noise and headphones are always detected on the first try)
- CPU is underclocked (read the FAQ for more info)
- Custom thermal control driver I wrote myself (features 9 thermal throttle steps; keeps the phone cool)
- Westwood TCP congestion algorithm (enabled by default)
- No placebo patches, features, or dangerous compiler "optimizations"
- Many other misc. improvements not listed here
Source code:
Kernel (cm-14.1-sultan branch): https://github.com/sultanxda/android_kernel_oneplus_msm8996
Local manifest (contains the rest of the sources): https://github.com/sultanxda/android/blob/master/oneplus3/cm-14.1/local_manifest.xml
Credits:
- LineageOS and its contributors
- CAF (aka Qualcomm)
- myfluxi (awesome friend with lots of amazing contributions)
- Open GApps
- glassfish777 for testing and helping me pass AP physics in high school
- dianlujitao for bringing up the OP3(T) to LineageOS 14.1
- Thecrazyskull for helping me fix the front camera on the OP3T
- If your name should be here and it isn't, then make me use an iPhone 4s running iOS 9
Installation instructions (for first-time installation):
First, perform a backup of your existing setup, and then perform a clean install (wipe /data and /system; TWRP is recommended). Next, try flashing the ROM and see if it installs; if it installs without any issues then congratulations! Now just flash a Google apps package, Magisk if you want root access, and then reboot.
If you get an error when trying to install the ROM ("op3.verify_modem" error), then go to the Firmware link in the Downloads section and flash the firmware package for your device. Once you flash the firmware zip file, you can install the ROM.
Installation instructions (for updating to a newer release):
If you are already running this ROM, then you can update to a newer version of the ROM via the built-in OTA updater or by simply dirty-flashing the new ROM build without wiping anything. HOWEVER, do NOT reinstall Google Apps after installing a new update.
Downloads:
Firmware:
ROM:
Google Apps (required): Platform: "ARM64", Android: "7.1", Variant: "micro" or "nano" (I will not provide support if you install a different variant)
Magisk (if you want root access): https://forum.xda-developers.com/apps/magisk/official-magisk-v7-universal-systemless-t3473445
XDA:DevDB Information
Unified LineageOS 14.1 with custom 3.18.31 kernel, ROM for the OnePlus 3
Contributors
Sultanxda, [denser]
ROM OS Version: 7.x Nougat
Based On: LineageOS
Version Information
Status: Stable
Created 2017-04-12
Last Updated 2020-01-09118FAQ:
1. Why did you underclock the CPU?
Answer: At the underclocked frequencies, the amount of heat generated by the CPU is quite a bit less, so the CPU is throttled less often (leading to better user experience), and battery life is better as well. The performance difference while underclocked is also not really noticeable unless you use a benchmark application. The CPU is also underclocked due to stability issues at higher frequencies affecting some OP3s and OP3Ts; because of this, the CPU underclock cannot be disabled.103
Maybe $1 million old Zimbabwean dollars...
I'm going to be on hiatus from mid June through the end of September (going on vacation + doing an intensive internship), and I'm not sure what I'll do after that. What I do know for sure though is that I won't be using OnePlus devices anymore (because they suck) and I'll be buying a Pixel 2 XL to use at least for the summer. I don't want to rely on a dysfunctional OnePlus camera during my vacation, hence why I'm getting a Pixel 2 XL. After September, I might just go into working on kernels instead of ROMs entirely, but I dunno ¯\_(ツ)_/¯
I'll still update this ROM a couple more times, but ye have been warned: the end is near. This means I won't be working on Oreo
68New build is up and should have a somewhat noticeable improvement in battery life. In order to save power, most of the code that the kernel itself frequently executes is now executed on the low-power CPU cores. This means that the high-performance CPU cores will have fewer tasks to do and thus can idle more often, which leads to some nice power savings. This doesn't have any visible impact on performance, so it should just be a free battery life upgrade.
