Install Android 6.0 Marshmallow on Verizon Galaxy S3 SCH-I535 [CM13]



In this guide we are going to show you the step by step process to install Android 6.0 Marshmallow on Verizon Galaxy S3 SCH-I535. Marshmallow Android 6.0 is the latest OS released by Google. As usual Nexus devices are always the first one to taste the latest firmware, but now after a long wait other manufacturers are at the verge of releasing Android 6.0 Marshmallow for their devices. Although Android 6.0 Marshmallow is not going to hit every device except a few one listed by the device manufacturer as compatible but different Custom ROM based on Android 6.0 Marshmallow are already released by third party developers. We have already posted guides on other devices using the same process and now we are repeating the process for Verizon Galaxy S3 SCH-I535

There are multiple benefits of installing custom ROM on your Verizon Galaxy S3 SCH-I535 as it provides a wide range of customizations and limitless modifications which unfortunately you can’t find in the stock firmware. Some custom ROMs gives you freedom to overclock CPU, install tweaking mods and tons of other software to enhance device performance further you can install themes to customize the device look. Just go ahead and install the Android 6.0 Marshmallow on Verizon Galaxy S3 SCH-I535.

Note: The Android 6.0 Marshmallow ROM for Verizon Galaxy S3 SCH-I535 is currently in the testing stages and you may notice some bugs. This not an official update from manufacturer but it’s a custom ROM from third party developers so check twice before installing Android 6.0 Marshmallow via AOSP on your Verizon Galaxy S3 SCH-I535.

Also read: Download Official CM13 Nightly ROM for Galaxy S3

How to install Android 6.0 Marshmallow on Verizon Galaxy S3 SCH-I535 with CM13 ROM

Before you Begin:

Disclaimer: This tutorial includes multiple operations including Custom Rom, custom recovery etc. Follow the guide on your own risk, we are not responsible if you brick or damage your device however the chances of bricking a device are rare but you have to pay full attention on the complete guide to avoid any issues and difficulties while performing any of the above mentioned operation.


  • Please ensure your phone battery should be charged at minimum 80%
  • Download Samsung USB drivers
  • Your device should have a working TWRP or follow our guide.

Necessary downloads:

Process to install Android 6.0 Marshmallow on Verizon Galaxy S3 SCH-I535

Connect your device to your PC and copy the both ROM and Google apps zip files onto your device storage.

Turn of your device and boot into TWRP custom Recovery menu by the hardware keys combination or using any third party app (Mostly found in Play store).

Once your device enters into TWRP recovery, create a Nandroid backup of your device or follow our guide to create a Nandroid backup (this will create a backup of your complete device including current firmware) if something goes wrong you can restore your previous firmware.

Once the Nandroid process completes, tap on “Wipe” and then swipe the slider from left to right to begin the wipe process (This will reset your device to factory)

Now it’s the time to flash the Marshmallow firmware on your device. Choose install and navigate to the folder in which you have copied the Marshmallow ROM zip file

Swipe across the slider to confirm install, wait for a few minutes till the file is completely installed in your device.

Once done with the above step, now apply the same process with the installation of GApps.

Wait for the installation process to complete.

Once completed, Reboot your device.

If your device is taking longer then 7-10 minutes then follow this guide to to fix this issue

That’s it! Android 6.0 Marshmallow via CyanogenMod 13 ROM is successfully installed on your Verizon Galaxy S3 SCH-I535. If you have any query feel free to contact us by posting your queries in the below provided comment section. Follow us on Facebook/Twitter/Google+ for future update.

A Software Engineer who loves to hang around latest gadgets and writes his own experiences to get the best possible and accurate information.
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