Solution: Your GSI requires a specific "permissiver" patch. Flash permisiver_v4.zip via TWRP after the ROM.
Installing a custom ROM on your SM-X200 isn't just about removing Samsung’s apps; it’s about transforming the tablet into a pure, lightweight, de-Googled (or Google-free) powerhouse. This guide will walk you through everything you need to know—from risks and benefits to a step-by-step installation guide. A custom ROM is a third-party, aftermarket operating system built from the Android Open Source Project (AOSP). Instead of Samsung’s One UI 6 (based on Android 14/15), you can run vanilla Android, LineageOS, crDroid, or even a Generic System Image (GSI).
One UI is feature-rich, but it is also heavy, intrusive, and riddled with what many consider "bloatware." Furthermore, Samsung’s update policy, while improved, still leaves older devices behind. This is where the world of enters.
For a Wi-Fi tablet used for reading, gaming, and web browsing, converting your Galaxy Tab S9 FE to LineageOS or crDroid is arguably the best upgrade you can give it. It transforms a good Samsung tablet into a great open-source device.
