OnePlus 3T was a successor to the sexy OnePlus 3. When the 3T rolled out, it was an instant hit. Fans loved it and developers loved it even more. Consequently, it wasn’t long for custom ROMs to follow and in this article, we look at the best custom ROMs for OnePlus 3 and 3T.
Must See: How to unlock bootloader of OnePlus 3 and 3T
As you might already be aware, custom ROMs serve many purposes, the primary ones of which are performance and aesthetic enhancements. There are many custom ROMs available for the OnePlus 3 and 3T but to list everything is beyond the scope of this article. So we’ve limited ourselves only to the best few based on user feedback and download statistics of each ROM.
10 custom ROMs Ideal for OnePlus 3 and 3T
Resurrection Remix OS
It is definitely one of the best custom ROMs for OnePlus 3 and 3T! RR ROM is a mix of many features, timely updates, high security, and a fast and fluid user interface. It’s a fork of Android 7.1 Nougat. Brings a theme engine, customizations on the status bar, alerts, disable download when WiFi is disconnected, animations, gestures, power button, etc. and soo much more. It has an improved battery life and currently makes use of Lineage sources. You can get it from the links below.
Download Links:
Resurrection Remix for OnePlus 3: Download
Version Status: Testing
Known Issues: Possible Skype Crash and known CM bugs.
Resurrection Remix for OnePlus 3T: Download
Version Status: Stable
Known Issues: N/A
LineageOS 17.1
Lineage OS was formerly known as CyanogenMod or at least derives its code from Cyanogenmod. This ROM was developed by former team members from Cyanogenmod who migrated everything once the former project became untenable and had to be wound up. It’s been simplified but still retains its solid core which closely aligns with the Cyanogenmod philosophy. LineageOS is popular with millions of users and has been downloaded millions of times. LineageOS OnePlus 3 offers a clean experience of stock Android and more. This ROM offers a robust theme engine, status bar enhancements, pre-rooted ROMs, and a host of other features.
Download Links:
LineageOS 17.1 for OnePlus 3/3T: Download
Version Status: Nightly
Known Issues: n/a.
NucleaROM
This ROM is relatively new to the world but its developers are keen on clearly distinguishing themselves. It is based on Android 7.1.1 Nougat and is still in its infancy, which makes it a little buggy. The unique features of this ROM include Omniswitch, swipe to screenshot, double tap for hibernation on the screen, a direction switch, and all the functions of the Lineage OS. It features a custom kernel dubbed the Radioactive Kernel.
Download Links:
NucleaROM for OnePlus 3/3T: Download
Version Status: Stable
Known Issues: n/a.
Ground Zero ROM
Ground Zero ROM is an amalgamation of Validus ROM, Tesla ROM, and Tipsy ROM. Validus is a ROM entirely based on AOSP. Tesla is a ROM with cherry-picked features and Tipsy just comes with the basics. Ground Zero ROM features themed TWRP, a substratum theme engine, a lot more. With this ROM user enjoy the freedom of selecting whatever ROM they are happy with depending on what appeals to them.
Download Links:
Ground Zero ROM for OnePlus 3/3T: Download
Version Status: Beta
Known Issues: n/a.
oct-N
The Oct-N ROM comes from the OctOS Team. It is also based on Android 7.1.1 Nougat. So expect KernelAdiutor-Mod, a substratum theme engine, volume-based wake, and more. Pre-rooted ROMs also come as a standard. Developers of this ROM are very receptive to ideas, so do not hesitate to get in touch with them if you would like to suggest a feature, etc.
Download Links:
oct-N ROM for OnePlus 3/3T: Download
Version Status: Beta
Known Issues: n/a.
Legend ROM
Legend ROM is of the LineageOS pedigree. Additional features have been added. This ROM has features capable of concealing Super-user icons on the status bar, screen delay, network traffic indicators, and more. Try it yourself.
Download Links:
Legend ROM for OnePlus 3/3T: Download
Version Status: Stable
Known Issues: n/a.
FreedomOS
It is based on Android 7.0 and it is a slightly older ROM. Comes with Aroma installer. It comes with Substratum theme engine, Permissive kernel, and Google Assistant Check it out.
Download Links:
FreedomROM for OnePlus 3/3T: Download
Version Status: Stable
Known Issues: n/a.
Citrus CAF
Citrus CAF is designed to offer a nice mix of performance and customization and a lot of features highly desired by users. It also comes with minimal configuration, but maximum stability! If you are looking for a performance-based ROM, it is definitely worth trying CAF.
Download Links:
Citrus CAF for OnePlus 3: Download
Version Status: Beta
Known Issues: n/a.
Citrus CAF for OnePlus 3T: Download
Version Status: Stable
Known Issues: n/a.
AICP 14.0
AICP is another Lineage pedigree ROM. It provides an inventory with some additional AICP configurations that are not included in other ROMs. AICP gives you the freedom to truly optimize your OnePlus 3 / 3T with maximum performance beyond hardware.
Download Links:
AICP 14.0 for OnePlus 3: Download
Version Status: Testing
Known Issues: n/a.
HydrogenOS
HydrogenOS is the official OnePlus 3 ROM, which offers many customizations. OnePlus recently released HydrogenOS for OnePlus 3T. If you’re looking for something new, no OxygenOS, no stock, then HydrogenOS should be on top of mind. It is a mature operating system, so there are no bugs or delays. You can trust this ROM because it comes from official sources.
Download Links:
HydrogenOS v1.4.0 for OnePlus 3: Download
Version Status: Testing
Known Issues: n/a.
Download Links:
HydrogenOS v8.0 for OnePlus 3T: Download
Version Status: Testing
Known Issues: n/a.
There you have it. Our Best Custom ROMs for OnePlus 3 and 3T list. A curated list of ROMs that will enhance your Android experience through added functionality and better performance. Want to try something new? then you can simply root the device and update the ROM. We’ll explore how to root both devices next time. Cheers.
Rudhra Nandu 
Terry Ts