In this guide, we will show you the steps to install the latest One UI 7 based on Android 15 onto the Galaxy S20/S20+/S20 Ultra devices. The S20 series was slated to receive 3 years of OS upgrades, and it has already checked off its fair share of updates, with the One UI 5 based on Android 13 being its last update. But even though it has reached its EOL [End Of Life], its active performance in the custom development has resulted in it getting blessed with the latest Android 15 update.
As a result of this, you are about to welcome abode a slew of intriguing and noteworthy features onto your device. So, without any further ado, let’s make you aware of the steps to install the One UI 7 update based on Android 15 onto the Galaxy S20/S20+/S20 Ultra devices. Follow along.
How to Install One UI 7 Android 15 on Galaxy S20/S20+/S20 Ultra
Before starting, please take a complete device backup. Droidwin and its members wouldn’t be held responsible in case of a thermonuclear war, your alarm doesn’t wake you up, or if anything happens to your device, and data by performing the below steps.
FEATURES
- Based on the latest stable OneUI 7 Galaxy S25 Ultra firmware - All software features from S25 Ultra - Slightly Debloated - Partially DeKnoxed - Full SELinux Support - Full Galaxy AI support - Completely upstreamed kernels 4.14 and 4.19 kernels for 9820, respectively 990 - High-end animations - Native/live blur support - Adaptive color tone support - Custom ExtremeROM Ringtones - Debloat from useless system services/additional apps - BluetoothLibraryPatcher included - KnoxPatch implemented in system frameworks - Extra mods (Disable Secure Flag, OutDoor mode, more coming soon) - Extra CSC features (Call recording, Network speed in status bar)
BUGS
Check out all the bugs here.
DOWNLOAD ONE UI 7 FOR GALAXY S20/S20+/S20 ULTRA
DOWNLOAD LINK
INSTALLATION STEPS
- To begin with, download & extract the Android SDK Platform Tools on your PC.
- Next up, transfer the ROM to the platform-tools folder and rename it to rom.zip.
- Now install TWRP Recovery on your device [skip the rooting steps of that guide].
- Once that’s done, you will now have to reboot your device to the TWRP Recovery:
adb reboot recovery
- After that, head over to Wipe > Format Data > Type in YES > Hit the Checkmark.
- Then go to Wipe and swipe to Factory Reset. Once done, go to Reboot > Recovery.
- Now head over to Advanced > ADB Sideload > Swipe to start the Sideload process.
- Then open the Command Prompt window inside platform-tools folder and type in:
adb sideload rom.zip
- The flashing will now start. Once done, go to Reboot > System to boot to One UI 7.
That’s it. These were the steps to flash the latest One UI 7 based on Android 15 on Galaxy S20/S20+/S20 Ultra. If you have any queries concerning the aforementioned steps, do let us know in the comments. We will get back to you with a solution as soon as possible.
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