How to Install Android 7.1 Helios Nougat 7.1 ROM on Galaxy S7 Edge G935F

Android 7.1 Nougat is live for Samsung Galaxy S7 Edge G935F via Helios custom ROM. This custom firmware is based on Android 7.1 Nougat for Samsung Galaxy S7 Edge.  The Helios custom ROM is the mixture of Grace UI and is based on the official Samsung firmware. This ROM is not officially announced by Samsung but just a custom ROM. By following this step by step guide you can update your Samsung Galaxy S7 Edge G935F to Helios Android 7.1 Nougat custom firmware. To flash this custom ROM on your device, your device should be rooted and the latest version of a custom recovery like TWRP or CWM pre-installed.

The Helios Nougat ROM comes with tones of latest features like odexed, stock look, USER DATA encryption disabled and much more. Before proceeding, keep in mind that take a full backup of your important data. Because during flashing this custom ROM your complete data will be wiped and it will look like a brand new phone. If you are interested in to install Helios custom ROM Android 7.1 Nougat on your Galaxy S7 Edge G935F, then go ahead and follow the given steps.

How to Install Android 7.1 Helios Nougat 7.1 ROM on Galaxy S7 Edge G935F 1


The Helios custom ROM and instructions given in this guide can be used only for the Galaxy S7 Edge G935F. Check the model number of your Galaxy S7 Edge G935F from Settings > About Phone.


AndroidBlog will not be held responsible for any damage occurred to your Galaxy S7 Edge G935F during or after the installation of Helios custom ROM. Proceed at your risk.


  • Create a proper backup of all your existing data and settings on the phone before moving on to the installation guide using a recommended custom recovery.
  • Enable USB Debugging Mode on the Galaxy S7 Edge G935F by navigating to Settings > Developer Options.
  • Verify that you’ve correctly installed the Galaxy S7 Edge G935F  USB Drivers on the PC.
  • The Galaxy S7 Edge G935F should be rooted with the latest version of the custom recovery like CWM or TWRP installed.
  • The bootloader of your S7 Edge must be unlocked.
  • Make sure that the battery level of the Galaxy S7 Edge G935F is at least above 80% before going ahead.

Required Files:

Steps to Update Samsung Galaxy S7 Edge G935F to Helios custom ROM:

Step No 1: – First, download Helios custom ROM ( for Galaxy S7 Edge G935F on the desktop of the PC.

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

Step No 3: – Transfer Helios custom ROM .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: – Unplug the Galaxy S7 Edge G935F 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 a 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 during ROM installation.

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

Step No 8: – Navigate to the Helios 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 Edge G935F will be reset and may take about 4 to 5 minutes to boot for the first time after installation.

Done! You’ve successfully updated Galaxy S7 Edge G935F to the latest Helios custom ROM.

Bhatti Junaid

He continuously writes tech articles and development code. Also, appreciates excellent food, exceptional coffee and great company. He has written 266 guides and other posts.

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