The unlocked variants of the Galaxy S9 and S9 Plus are always the last ones to receive the latest software updates. This is because the updates for unlocked variants needs to be certified by most of the major carriers in the United States. The carrier variants of S9 (with Snapdragon processors) have already on the latest firmware termed – One UI. Today, the factory unlocked Galaxy S9 and S9 Plus are started receiving One UI upgrade based on Android 9 Pie.
The OTA is currently live across the United States and weight around 1.8 GB in size for those already enrolled into Samsung’s beta program. This new update features January 2019 security patch. Although the carrier variants are dawning the latest February 2019 security patch, claimed to be smooth in performance and user interface, the One UI update for unlocked variant is still amazing.
It features new firmware build numbers G960U1UEU3CSA8 and G965U1UEU3CSA8 for Galaxy S9 (SM-G960U1) and S9 Plus (SM-G965U1) respectively.
The update is currently rolling out in the United States, as the unlocked Snapdragon variants are only found there. If you have taken the update overseas, then you can simply go to Settings > System Updates > and Download OTA updates manually. The update already available for the stable channel as well.
Alternatively, you can also download the full stock firmware using this tutorial. If your S9 device is still on Android 8.0 Oreo, then you can download the One UI full Odin firmware and flash it using latest Odin tool. The instructions are all listed there.
|Samsung model||SM-G960U1 and SM-G965U1|
|Device name||Galaxy S9 and S9 Plus|
|Region code or CSC|
|Software Version||Android 9 Pie|
|Build date||Tue, 15 Jan 2019 10:30:07 +0000|
|Security Patch Level||2019-01-01|
|Product code or CSC||USC|
Things you can do after Android 9 Pie update: