The Samsung Galaxy A3 (2017) was a masterpiece of compact design. With its IP68 rating, AMOLED display, and premium metal-and-glass build, it was the "mini flagship" of its era. However, in 2024 and beyond, Samsung has long abandoned software support for this device. The last official firmware was Android 8.0 Oreo—a version so outdated that most modern apps struggle to run efficiently.

After scanning XDA-Developers and Telegram groups (the active community hubs for this device), these are the most stable builds.

Go to Settings > Network & Internet > Mobile Network > Preferred Network Type. Change from "LTE only" to "LTE/WCDMA/GSM."

If you are de-Googling your life, /e/OS is the answer. It removes all Google tracking and replaces Play Services with microG.

Installing a custom ROM on a is the best way to bypass the device's official end-of-life status. While Samsung officially stopped updates at Android 8.0 Oreo , the developer community has provided ways to run much newer software like Android 10 and 11. Top Custom ROMs for Samsung A3 2017