Connect the phone to your PC and transfer the chosen ROM .zip file to the internal storage.
On Samsung Exynos devices, VoLTE and Wi-Fi calling are tied deeply to Samsung’s proprietary framework. If you flash an AOSP-based ROM (Lineage, Pixel Experience), VoLTE will likely not work . If carrier calls over LTE are mandatory for you, choose a modified One UI Port (Noble ROM) instead.
Go back to Wipe, select , type yes , and confirm. (This removes encryption). Step 4: Flash the Custom ROM samsung s9 plus exynos custom rom
The blue bar crawled. His palms were sweaty. At 75%, the phone rebooted into a black screen. His heart stopped. For five seconds, nothing. Then, the glowing Samsung logo flickered. He exhaled.
He returned to XDA, not as a lurker, but as a contributor. He posted his battery stats, helped a noob fix a bootloop by telling him to “fastboot erase misc,” and sent the developer $20 for coffee. Connect the phone to your PC and transfer the chosen ROM
The phone obliged. A black screen with white text blinked awake: Odin Mode. He smiled. Otherwise, he would have had to employ the heavy tools — custom cables, spliced pins, the kind of undertakings that devoured weekends. He breathed in a plan: sideload a custom recovery, flash a new ROM, and trace what had been left behind. It wasn’t stealing; the device seemed abandoned. Besides, he told himself, the phone deserved a second life.
Many banking apps block rooted or modified devices. Use along with the Play Integrity Fix module to pass safety checks and use Google Wallet seamlessly. To help narrow down your next steps, let me know: Which Android version do you want to achieve? If carrier calls over LTE are mandatory for
For the , custom ROMs are the primary way to access modern Android versions and updated features long after official support ended. As of April 2026, the development community remains active, with recent ports bringing Android 15 and 16 to the aging flagship. Top Custom ROMs for S9 Plus Exynos (2025–2026)
The unofficial LineageOS 23.2 builds for the S9 Plus represent the bleeding edge. As of mid-2026, developers like krazey90 and geekboy38 are pushing Android 16 QPR2 to the Exynos 9810. These builds support VoLTE and VoWiFi, which is rare for older custom ROMs. However, users should note that features like auto-brightness sensors can occasionally break between patches, and flashing custom kernels might require matching the security patch dates precisely to avoid bootloops.
Samsung stopped updates at Android 10. Today, most banking apps and enterprise software require Android 12 or higher. Current custom ROMs for the S9 Plus offer . You can literally have the same software features as the Galaxy S24 on your S9 Plus.