Samsung S9 Plus Exynos Custom Rom | Top & Plus

He had to flash a "VoLTE patch" from an XDA thread with 47 pages of conflicting instructions. It involved extracting his original EFS partition from a backup he’d made before unlocking the bootloader. One wrong move, and his IMEI would vanish, turning the S9 Plus into a Wi-Fi-only iPod.

The Exynos chip, so maligned by reviewers for its poor battery and laggy UI under One UI, had finally found its purpose. It wasn't a bad chip. It was a caged animal. And Leo had just opened the door. samsung s9 plus exynos custom rom

He nearly wept.

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 had to flash a "VoLTE patch" from

On the last page of the ROM's settings, there was a small, grey text box that only appeared after you'd been running it for a week. It said: The Exynos chip, so maligned by reviewers for

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.

Then he checked the battery stats.