Custom ROMs are known to enhance the functionality of the phone. They add more features and increases the stability of the phone, no matter how old it is. When it comes to OnePlus
5 and 5T, users can expect better performance with these two phones. OnePlus devices come with Oxygen OS, which surely is one of the best stock UI with stock Android experience.
However, stock UI can sometimes slow down devices, and that’s the reason why many people prefer going for custom ROMs for their devices.
OnePlus 5 series was a lineup of successful devices launched by OnePlus, which to date are still used as a primary device by many people.
If you prefer using the OnePlus 5 or the OnePlus 5T as a daily driver, then adding custom ROM will be the best option. Because OnePlus has stopped providing updates for the OnePlus 5 series.
This article is a compilation of the best custom ROMs for Oneplus 5 and 5T in 2021. So if you are looking for the best custom ROMs for your old OnePlus 5 and 5T, then you are at the right place.
Also Read: How to Install Google Camera Port on OnePlus 7 and OnePlus 7 Pro
Table of Contents
Best Custom ROMs For OnePlus 5 And 5T in 2021

Lineage OS

The very first ROM that we have on the list is Lineage OS, which is one of the best ROM that you can use with your device. The ROM is based on AOSP, and therefore, comes with a stock Android experience.
The ROM is not only stable, but brings various features to the phone such as burnt-in protection, live display support, privacy guard with native superusers, increasing ringtone feature, unlinked notification sound, and various others.
ROM OS: Android 10
Download Link: Lineage OS
ROM Maintainer: codeworkx
Official Thread: Link
Pixel Experience

Next on the list we have is Pixel Experience, which is yet another stable ROM that you can use with the OnePlus 5 and 5T. The ROM does let your device feel like a pixel device. Everything ranging from wallpaper to boot animations will be similar to Pixel.
The ROM brings various customizations to your phone and not only the Pixel-like feel. With that being said, there are various added features to the theme, which will enhance your experience using this ROM.
The ROM is stable and does provide a smoother experience with fewer bugs.
ROM OS: Android 10
Download Link: Pixel Experience
ROM Maintainer: itsjoeui
Official Thread: Link
CrDroid

CrDroid is a custom ROM based on Lineage OS and adds much more features than the Lineage OS to the device. The ROM provides stability to the device and also optimizes the performance and the battery life of the device you are using.
CrDroid brings in various customizations to the phones such as customization of UI elements including the notifications, status bar, navigation bar, and various others.
It adds various features to the phone such as ART and BIONIC optimizations, CrDroid Home, CrDroid Settings, CrDroid Music, CrDroid File Manager, looks and feel of Pixel device. Moreover, it brings in the features of Lineage OS and even more than that.
ROM OS: Android 10
Download Link: CrDroid
ROM Maintainer: neobuddy89
Official Thread: Link
Extended UI

This is another ROM that brings a Pixel-like experience to your device. The ROM brings a clean interface to your phone which is quite simple. The ROM is more inclined towards providing a cleaner UI experience to the users.
If you are looking for a ROM that is refreshing and provides a smoother experience then you should try out ExtendedUI. Added features are another thing that makes the ROM quite preferable.
ROM OS: Android 10
Download Link: ExtendedUI
ROM Maintainer: Felvesthe
Official Thread: Link
Carbon ROM

The last ROM that we have on the list is Carbon ROM. The ROM is based on AOSP and brings in a stable interface to be used by the users. It is one of the most stable and fastest ROM available in the market.
Being based on AOSP, it brings most of the features of stock Android, with a somewhat similar UI experience.
ROM OS: Android 10
Download Link: Carbon ROM
ROM Maintainer: Kazerine
Official Thread: Link
Final Words
These were some of the best custom ROMs for OnePlus 5 and 5T that one can go for in 2021.
Our choice will be Lineage OS from the above ROMs if you are looking for one ROM for your OnePlus 5 and 5T.
Hope you like reading the article, if yes, do let us know in the comment section.