Beyond security, custom ROMs fundamentally alter the user experience. The stock Android on the Nokia 7.2, while clean, was never the fastest. The Snapdragon 660, coupled with eMMC storage, can feel sluggish under Android 10, 11, or 12. However, lightweight custom ROMs, stripped of Google’s heavy background services (in the case of AOSP-based or de-googled ROMs), can dramatically improve performance. By replacing the stock kernel with optimized versions like Kirisakura or Neutrino, users can unlock better CPU governors, reduced RAM usage, and improved I/O scheduling. The result is a snappier interface, faster app switching, and even a marginal gain in battery life—a stark contrast to the official firmware’s tendency to age poorly.
A common issue after flashing is "Baseband Unknown" or "No SIM detected."
Custom Recovery: You must flash a recovery like Official TWRP to manage ROM installations and data wipes.
DerpFest: Known for a balance of aesthetics and performance, with Android 15.0 builds available as of late 2025/early 2026. Installation Overview