OnePlus 3 series - TheAndroidLab

Back in 2018, when the OnePlus 3 and OnePlus 3T were launched, it was one of the most popular phones by the brand which was a true flagship killer. In 2021, the device has become quite old, and also the company has stopped rolling out the updates for the phone. However, the updates and a slow OS are not what should bug you. If you want snappy performance from your old OnePlus 3 and 3T in 2021, then you can try installing custom ROMs on your device. Here is a list of all the best custom ROMs that you can install on the OnePlus 3 and OnePlus 3T in 2021. Also Read: Best Custom ROMs for OnePlus 5 and 5T in 2021 Best Custom ROMS For OnePlus 3 and 3T in 2021 OnePlus 3 and OnePlus 3T Arrow OS ArrowOS Looking for a clean and neat theme, then you should go for Arrow OS. Being clean OS, it does provide snappy performance to your phone. Users using the ROM have reported fewer bugs on this ROM. However, you can report any bugs that you notice on this theme to the developer. If you are looking for a simple theme with faster performance, then Arrow OS should be your go-to. Also Read: Best Custom ROMs for OnePlus 6 and 6T in 2021 ROM OS: Android 11 Download Link: Arrow OS ROM Maintainer: Gaurav24 Official Thread: Link LineageOS LineageOS The next ROM we have on the list is the LineageOS, which was earlier known to be Cyanogen MOD. The skin does offer lightweight skin that is not bloated with the bloatware. Talking about the reliability, the MOD is quite reliable, thus offering faster performance. The ROM is full of customizations, and that is the best part about it. Moreover, you get better support in the community for the theme. The developers of the ROM are more inclined towards serving the users with any bugs they face and updating the ROM with new and upcoming features. ROM OS: Android 10 Download Link: LineageOS ROM Maintainer: dianlujitao Official Thread: Link CrDroid ROM crDroid CrDroid ROM is quite a fast ROM that you can install on your OnePlus 3 and OnePlus 3T. The ROM is quite reliable and helps increase the performance of your phone. The ROM has a stock Android feel, which is the best part about this ROM. The ROM has various in-built features to not let you feel backed by the features of the latest phones. The developers focus on updating the theme will the latest features that are introduced. ROM OS: Android 10 Download Link: CrDroid ROM ROM Maintainer: DigiGoon Official Thread: Link Pixel Experience Pixel Experience ROM Pixel experience is known for stock Android experience like that of a Pixel device. It is one of the most popular custom ROM that one can use on the device. It provides a clean stock Android experience on your OnePlus 3 and 3T. If you want additional features and don’t want to be limited to the features of pure stock Android, then Pixel Experience for you. Not only does it provides smooth and snappy performance, but various features and customizations that other ROMs do not. ROM OS: Android 11 Download Link: Pixel Experience ROM Maintainer: PlayFriik Official Thread: Link Havoc OS Havoc OS Last but not least, we have on the list is Havoc OS. The ROM offers selected features focusing more on stability. The ROM is well optimized to increase the performance and the battery life of your phone. The ROM has fewer bugs, and the community keeps on updating the ROM with new features and bug fixes. Some features of Havoc OS are Gaming/reading mode, tile shortcuts, ambient display, compass, and animation customizations. ROM OS: Android 10 Download Link: Havoc OS ROM Maintainer: SKULSHADY Official Thread: Link Final Words These are some of the best custom ROMs for the OnePlus 3 and OnePlus 3T in 2021. Reliability is one of the major things that these custom ROMs focus on. These custom ROMs help improve the performance of your phone and make it feel more snappy.