Samsung S9 Plus Exynos Custom Rom | 2024 |

But there was a cost.

The first thing he did was open the CPU-Z clone built into the ROM. He scrolled down. The Exynos 9810—4x M3 cores at 2.7 GHz, 4x A55 cores at 1.7 GHz. But the governor was set to "schedutil," not the stock "interactive." The GPU—Mali-G72 MP18—was running at 572 MHz, but the ROM's companion kernel manager let you push it to 700.

He nearly wept.

He installed Geekbench .

He grinned. He went through the motions. No Samsung account nag. No Bixby voice prompt. Just pure, unfiltered Google Android, stripped to the bone.

Leo was a tinkerer. He didn't want a new phone. He wanted his phone to be free.

Also, the Always-On Display was buggy. Sometimes the clock would freeze at 3:17 PM for an hour. And VoLTE was broken—calls dropped to 3G, which his carrier was slowly shutting down. samsung s9 plus exynos custom rom

Over the next week, Leo discovered the soul of the Exynos chip.

Then he checked the battery stats.

Leo smiled, plugged his S9 Plus into the charger, and started reading about how to compile a kernel from source. But there was a cost

The screen flickered.

Leo pushed the phone. He played Genshin Impact on medium settings. The back got warm, but not scalding. The frame rate held steady at 40 FPS, where stock would have stuttered to 25 and dimmed the screen.