From this guide, you could download the unofficial LineageOS 18.0 GSI for Project Treble devices. One question that might come to your mind is what exactly is a Project treble device? So here’s the thing. Before Android 8.0 Oreo, the lower level codes and the OS were both parts of the same framework. As and when Google updated the OS, they had to then wait for the lower level codes aka vendor implementation to get updated. The latter one wasn’t in Google’s hand.
They had to wait until the chipset manufacturer (Qualcomm, MediaTek, etc) updates the vendor. This usually took some time and hence the overall Android took ages to roll out. But beginning with Android Oreo, Google separated the two: i.e. the lower level codes and the OS. As a result, Google could provide the update to the OS without having to wait for the chipset makers to play their part. In other words, they were no longer dependent on silicon manufacturers.
All these straightway meant one thing- faster Android updates. Apart from that, there is another pretty useful advantage: the ability to boot AOSP Generic System Image (GSI). If your device doesn’t have custom ROM support but is Project Treble compatible, then you could easily try your hands on one of these GSI images and enjoy the ROM’s functionality. And as of now, the popular LineageOS 18.0 GSI is available for a bunch of Treble devices that you could download right away.
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LineageOS 18.0 GSI for Project Treble Supported Device
Among the most popular custom ROMs, LineageOS has rightly carried forward the lineage of its predecessor CyanogenMod. They are always known to maintain an equilibrium between the features and stability. As a result, while you wouldn’t be getting a plethora of customization options, you would still be able to get hold of all the important functionalities that one could have asked from a custom ROM.
