Install Slim Bean Android 4.2.1 ROM On Verizon Galaxy S3 I535

Verizon Galaxy S3 I535 can be updated to Android 4.2.1 using Slim Bean Custom ROM. Verizon Galaxy S3 I535 is LTE enabled and is powered by Qualcomm Snapdragon S4 MSM8960 dual core clocked at 1.5Ghz, 2GB RAM.

The Slim Bean ROM is in Beta stage and there may be few bugs and issues. Below mentioned are the features and issues related to the ROM.

Features of Slim Bean Beta 1 ROM


Dotted Battery Mod and color picker
Battery bar mod
Notification Background customization
Notification row transparency
Quick Settings for
Network mode tile
Profile Tile
Dismiss on toggle
Updated APN + SPN
Wifi name in notification drawer
Power widget
Device Parts
Performance Settings (need to tap build number a few times)
Cursor control using volume keys
Disable full screen keyboard
Alternate app chooser
Clock styles and color chooser
ADB over wifi
Camera power shutter mod
Wifi country specific settings
Notification IME selectior
SMS quick reply & mark as read from notification
All MMS features
All Contacts features

Known issues

Notification Cutoff
2G/3G toggle works weird on power widgets, not working on quick settings
ADB over WiFi may require toggling of ‘Android Debugging’
Performance settings flaky in some devices
Data toggle does not respond well in quick settings

In this post we will be going through the guide to install Android 4.2.1 on Galaxy S3 I535 via Slim Bean Beta 1 Custom ROM.

This is a Custom ROM and not an official ROM from Google or Samsung.

The guide mentioned below is only for Verizon Galaxy S3 I535 and not for any other device. You can check Model number of device by going to Settings >> About phone.

We cannot be held liable of any damage done to your device while following the below mentioned procedure.

Slim Bean ROM

Install Slim Bean Beta 1 Android 4.2.1 ROM on Verizon Galaxy S3 I535

Take a complete backup of data,apps and settings as the procedure may wipe your data.

Make sure that the battery of device has a minimum charge of 60%.

Enable “USB debugging” on your device by going to Settings >> Developer options >> Enable USB debugging.

ClockworkMod Recovery should be installed.

Download Slim Bean ROM Beta 1 for Verizon Galaxy S3 I535 and Google Apps Package.

Copy both the zip files to SD-Card of your device without extracting.

Switch off device.

Boot into recovery. Press and hold down the Volume Up, Volume Down and Power buttons to enter recovery.

Select “wipe data/factory reset” and wait till the data gets wiped completely.

Perform a Nandrop backup of your existing ROM. Select “Backup and Restore” and then select “Backup” again. Now, go back to main recovery menu once backup is complete.

Select “install zip from sdcard” and then select “choose zip from sdcard”. Navigate to “Slim Bean ROM” file which you have downloaded and confirm to “install”. Wait till it gets installed.

Repeat the procedure to install Google apps by selecting “choose zip from sdcard” and then select “” and install.

Select “reboot system now”.

Slim Bean Beta 1 Android 4.2.1 ROM on Verizon Galaxy S3 I535 is installed.

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