How To

Update Galaxy S4 LTE (GT-I9505) to Android 5.0.2 Lollipop with SlimLP Alpha 1 custom ROM

SlimLP ROM Alpha 1 ROM has been rolled out for the Samsung Galaxy S4 LTE (GT-I9505) by the SlimROMs team. SlimLP ROM is based on the latest Android 5.0.2 Lollipop firmware and can be installed on the Galaxy S4 LTE (GT-I9505) international variant. This ROM is currently under development, so you may expect some bugs or many features might not working properly.

As compared to CyanogenMod or Paranoid Android ROM (fully loaded) which are suitable for power users, but this SlimLP ROM comes with bloatware free package and is light-weighted containing the basic features only. Thanks to the XDA Recognized senior member, Tylog for providing the download links and installation manual. So if you are ready to taste the latest Android 5.0.2 Lollipop based SlimLP ROM then go ahead and follow the given detailed guide on how to install Lollipop 5.0.2 via SlimLP Alpha 1 ROM.

Flash Galaxy S4 LTE (GT-I9505) to Android 5.0.2 Lollipop with SlimLP Alpha ROM


This tutorial containing the download links and instructions are working only with Galaxy S4 LTE GT-I9505 (International Variants). Do not try to flash this ROM on any other or incorrect variant. You can check the model number of your device from Settings > About Phone.


AndroidBlog will not be held responsible for any kind of damage or mishap occurred to your Galaxy S4 LTE GT-I9505 during or after the installation of Android 5.0.2 based SlimLP ROM. Proceed at your own risk.


  • It is highly recommended to take a proper backup of your important data and settings using a custom recovery on your S4.
  • Download and install USB Drivers for the Galaxy S4 LTE on the PC.
  • Enable USB Debugging Mode by navigating to Settings > Developer Options.
  • Make sure that your device is rooted with a CWM recovery installed.
  • The bootloader of the Galaxy S4 should be unlocked.
  • Verify the battery level of the phone, it should be charged at least about 80% before proceeding to the installation guide.

Required Files:

  • Download Android 5.0.2 SlimLP Alpha ROM for Galaxy S4 LTE
  • Google Apps

Steps to Update Galaxy S4 LTE (GT-I9505) to Android 5.0.2 SlimLP Alpha 1 ROM:

Follow the given step-by-step guide to update Galaxy S4 LTE (GT-I9505) to Android 5.0.2 Lollipop via SlimLP Alpha 1 ROM:

1:- First, download Android 5.0.2 SlimLP Alpha 1 ROM ( for Galaxy S4 LTE on the desktop of the PC.

2:- Plug your device to the PC using its USB data cable and mount its USB memory storage.

3:- Transfer Android 5.0.2 ROM .zip file which you’ve already downloaded from the above link, to the root folder of your SD card on the phone.

4:- Unplug the Galaxy S4 LTE from the PC and power it OFF in order to boot into Recovery Mode.

5:- Power ON the device while pressing and holding Volume UP + Home + Power buttons at the same time to enter into Recovery Mode.

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.

7:- Go back to the main Recovery Menu and choose install zip from SD card → choose zip from sdcard.

8:- Navigate to the Android 5.0.2 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 S4 LTE (GT-I9505) will be rebooted and may take about 4 to 5 minutes to boot.

That’s All! You’ve successfully updated Galaxy S4 LTE (GT-I9505) to SlimLP Alpha 1 Android 5.0.2 Lollipop custom ROM.

Let us know in the comments section below if you have any query or problem regarding the above tutorial to install SlimLP custom ROM based on Android 5.0.2 Lollipop on your Galaxy S4 LTE.


Aamir Jamal

An Android Geek and audiophile who love to read and write reviews/tutorials about gadgets and new tech stuff. He has written 1007 guides and other posts.

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