Install Lineage OS 15.1 Android 8.1 Oreo Custom ROM On Galaxy S7 / S7 Edge

If you are looking to experience the Android 8.1 Oreo on your Galaxy S devices then you are at right place. Here is the full guide on how to install Lineage OS 15.1 on Galaxy S7 and S7 Edge. This latest Lineage OS 15.1 ROM is based on Android 8.1 Oreo and brings tons of new features and changes. The Galaxy S7 and S7 Edge are extremely popular devices and was launched in 2016 with Marshmallow OS and then upgraded to Android Nougat. This means that the phone has already received two major Android versions and there is no guarantee that Android Oreo will arrive for the Galaxy S7 and S7 Edge. So the Lineage OS 15.1 ROM seems to be the best option to gain the latest Android 8.1 Oreo experience before official stock firmware come.

This latest custom firmware is completely functional, stable, many bug fixes and smoothly run on your device. You can use it as a daily driver. Full credit goes to the very talented XDA Forum member who goes by the name Ivan_Melar has compiled the Lineage OS 15.1 ROM for the Galaxy S7 and Galaxy S7 Edge which is based on Android 8.1 Oreo. Remember that this ROM is not officially announced by Samsung but just a custom ROM which is developed by third-party developers. All you need to have a custom recovery like CWM or TWRP pre-installed on your device to flash Android 8.1 Oreo-based Lineage OS 15.1 ROM zip and Google Apps zip files.

Lineage OS is a free Android Distribution and open-source operating system for smartphones, also the Lineage OS is a popular aftermarket Android custom ROM which supports a wide range of devices. Official stock firmware is good but customs ROM added some aftermarket features and support for latest Android versions when the OEM chooses not to. Before proceeding, don’t forget to take the full backup of all your valuable data. If you are interested in installing Lineage OS 15.1 Android 8.1 Oreo on your own Samsung Galaxy S7 and S7 Edge then go ahead and follow the given steps.

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Install Lineage OS 15.1 Android 8.1 Oreo Custom ROM On Galaxy S7 / S7 Edge 1


The Android 8.1 Lineage OS 15.1 Oreo Custom ROM and instructions are given in this guide can be used only for the Galaxy S7 and S7 Edge. Check the model number of your Galaxy S7 and S7 Edge from Settings > About Phone.

Warning: will not be held responsible for any kind of damage occurred to your Galaxy S7 and S7 Edge during or after the installation of Android 8.1 Lineage OS 15.1 Oreo Custom ROM. Proceed at your own risk.


  • Create a proper backup of all your existing data and settings on the phone before proceeding to the installation guide using a recommended custom recovery.
  • Enable USB Debugging Mode on the Galaxy S7 Edge by navigating to Settings > Developer Options.
  • Verify that you’ve correctly installed the Galaxy S7 Edge USB Drivers on the PC.
  • The Galaxy S7 and S7 Edge should be rooted with the latest version of a custom recovery like CWM or TWRP installed.
  • The bootloader of your Galaxy S7 and S7 Edge must be unlocked.
  • Make sure that the battery level of the Galaxy S7 and S7 Edge is at least above 80% before going ahead.

Required Files:

Steps to Install Android 8.1 Lineage OS 15.1 Oreo on Galaxy S7 and S7 Edge:

Step No 1: – First, download Android 8.1 Lineage OS 15.1 Oreo custom ROM for Galaxy S7 and S7 Edge on the desktop of the PC.

Step No 2: – Connect your device to the PC using its USB data cable and mount its USB memory storage.

Step No 3: – Transfer Android 8.1 Lineage OS 15.1 Oreo .zip file which you’ve already downloaded from the above link to the root folder of your SD card on the phone.

Step No 4: – Disconnect the Galaxy S7 and S7 Edge from the PC and power it OFF to boot into Recovery Mode.

Step No 5: – Power ON the device while pressing and holding Volume Up +Home + Power buttons at the same time to enter into Recovery Mode.

Step No 6: – While your device is now in CWM Recovery, perform wipe data/factory reset, wipe cache partition and wipe dalvik cache also by navigating to Advanced > Wipe Dalvik Cache.

Note: –wipe dalvik cache will help you to prevent boot loops and other errors while ROM installation.

Step No 7: – Go back to the main Recovery Menu and choose to install zip from SD card → choose zip from sd card.

Step No 8: – Navigate to the Android 8.1 Lineage OS 15.1 OReo custom ROM .zip file which you’ve already transferred to the SD card of your device previously. Select the ROM .zip file using the Power button and confirm the installation to begin.

9: – Navigate to +++++Go Back+++++ once the installation is completed. From Recovery Menu, reboot your device by selecting reboot system now.

Your Galaxy S7 and S7 Edge will be rebooted and may take about 4 to 5 minutes to boot for the first time after installation.

Done! You’ve successfully updated Galaxy S7 and S7 Edge to the latest Android 8.1 Lineage OS 15.1 Oreo ROM.

Let us know in the comments area below if you are facing problem while installing the Android 8.1 Lineage OS 15.1 Oreo ROM on your Galaxy S7 Edge.

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