LG was one of the most innovative companies in the smartphone market. It is because, they released phones with something unique, for instance, a back button. LG G4 was famous for back button placements and the on-paper specs of the phone.\r\n\r\nNo matter how good a device may be, many people do not prefer using the stock UI of the phone. To overcome this issue, custom ROMs are there to enhance the overall performance, UI, battery life of the phone. \r\n\r\nFlashing custom ROM to LG G4 can increase the performance of the phone. Moreover, it ensures timely update bringing in new features, update UI, bug fixes, which was stopped long back.\r\n\r\nIn this article, we will be listing the best custom ROMs for LG G4 that you can try going for.\r\nAlso Read:\u00a0Best Custom ROMs for LG G3 in 2021\r\nBest Custom ROMs For LG G4 In 2021\r\nLG G4\r\nLineage OS\r\nLineageOS\r\n\r\nLineage OS is one of the most preferred custom ROM for an Android device that one can install on their LG G4. When it comes to reliability, the ROM is one of the most reliable ROM in terms of security and privacy. The ROM does maintain the privacy of the data of users on their devices.\r\n\r\nThe ROM is not only stable, but it keeps up with battery optimization and performance optimization of your phone. Moreover, the community is more inclined towards releasing frequent updates for the ROM. Every update released either carries features, bug fixes, or security patches for the ROM.\r\n\r\nMoreover, your experience on the ROM will be bug-free. However, if you encounter any bug while using the ROM, then you can report it to the developer, and it will be fixed with the next update.\r\n\r\nROM OS:\u00a0Android 9 (Pie)\r\n\r\nDownload Link:\u00a0Lineage OS\r\n\r\nROM Maintainer:\u00a0kessaras\r\n\r\nOfficial Thread:\u00a0Link\r\nAlso Read:\u00a0Best Custom ROMs for LG G6 in 2021\r\nPixel Experience\u00a0\r\nPixel Experience ROM\r\n\r\nThe next ROM that we have on the list is Pixel Experience, which is known for giving a Pixel-like experience to your device. The ROM provides a clean and smoother experience on your device and enhances its performance for you to be able to use it as a daily driver.\r\n\r\nIt offers optimized performance on your device and does offer stock Android features to your device. Features it offers are like that of a Google Pixel device, and nothing more or nothing less. It offers a wide range of customizations to your phone apart from the customizations of your stock UI.\r\n\r\nROM OS:\u00a0Android 9 (Pie)\r\n\r\nDownload Link:\u00a0Pixel Experience\r\n\r\nROM Maintainer:\u00a0marvelvance\r\n\r\nOfficial Thread:\u00a0Link\r\nAlso Read:\u00a0[Solved] How to root LG Stylo 4 in simple steps\r\nResurrection Remix\r\nResurrection Remix\r\n\r\nResurrection Remix is one of the most famous ROM for your android device. The ROM brings in various features from other custom ROMs for Android. The ROM is well-versed and optimized for the battery to increase the battery life of your phone.\r\n\r\nMoreover, it offers various customizations to your phone. If you want to customize or tweak your phone the way you want, then Resurrection Remix is one of the best custom ROM that you can go for.\r\n\r\nROM OS:\u00a0Android 9 (Pie)\r\n\r\nDownload Link:\u00a0Resurrection Remix\r\n\r\nROM Maintainer:\u00a0the_naxhoo\r\n\r\nOfficial Thread:\u00a0Link\r\nAOSP Extended\r\nAOSP Extended\r\n\r\nAOSP Extended is the next ROM that you can go for. The ROM is based on AOSP and brings in more features than the stock Android. The ROM is not only stable but has various customizations.\r\n\r\nYou will never feel backed by the features on your LG G4 because AOSP integrates most of the new features that are introduced to the phones nowadays. Some of the features of the ROM are navigation gestures, quick tiles, accent colors, and various others.\r\n\r\nIt gives you a stock Android-like experience to your phone, bringing in similar features. The experience is bug-free, however, you might encounter few bugs while using the ROM which you can report to the developer.\r\n\r\nROM OS:\u00a0Android 9 (Pie)\r\n\r\nDownload Link:\u00a0AOSP Extended\r\n\r\nROM Maintainer:\u00a0aoleary\r\n\r\nOfficial Thread:\u00a0Link\r\nHavoc OS\r\nHavoc OS\r\n\r\nHavoc OS is the last custom ROM that we have on this list. The ROM is simple and clean and brings a Pixel-like experience to your device. The ROM does enhance the performance of your phone and keeps it optimum. Moreover, the ROM does work on optimizing the battery life of your phone.\r\n\r\nSome of the features of the Havoc OS that it brings to your phone are Gaming\/Reading Mode, Animation customizations, compass, ambient display, tile shortcuts, and various others.\r\n\r\nROM OS:\u00a0Android 9 (Pie)\r\n\r\nDownload Link:\u00a0Havoc OS\r\n\r\nROM Maintainer:\u00a0aoleary\r\n\r\nOfficial Thread:\u00a0Link\r\nFinal Words\r\nThat\u2019s it with our list of the best custom ROMs for LG G4 in 2021. We have mentioned above some of the best custom ROMs that you can flash on your LG G4 in 2021. Hope you like reading the article, if so, do let us know in the comment section.