Android 5.0.2 Lollipop has been out for the Samsung Galaxy S4 LTE (GT – I9505) in the form of SlimLP ROM. The SlimLP ROM is another popular ROM for Galaxy S4 and is based on the latest Android 5.0.2 Lollipop. This ROM is developed by the SlimROMs team and they have added some amazing features in this ROM. As compared to other ROMs like the one from Paranoid and CyanogenMod, this ROM is completely free from Bloatware means it’s a light weighted simple Android 5.0.2 ROM. The ROM is currently under development and if you are planning to use it, then you may expect some minor bugs.

Thanks to XDA-Developers member, Tylog who provided the complete documentation, instructions manual and the download links. We have written a simple and step by step guide on how to update GALAXY S4 LTE (GT-I9505) to Android 5.0.2 Lollipop with SLIMLP ALPHA 1 CUSTOM ROM.


  • Before proceeding, make sure you have properly taken the backup of your important data including personal photos and videos.
  • Your device should have more than 60 percent battery to prevent any unexpected shutdowns during the process.
  • You have installed the Samsung S4 USB drivers on your PC.
  • Your device must be rooted and have Custom Recovery like CWM installed.
  • The bootloader of your Galaxy S4 should be Unlocked.
  • You should have enabled the USB debugging mode. If you not then go to settings > Developer Options and enable it.

How to install Android 5.0.2 SlimLP Alpha 1 ROM on Galaxy S4 GT-I9505

Follow are the given instructions on how to install Android 5.0.2 SlimLP Alpha 1 ROM on Galaxy S4 GT-I9505:


Step No 1:- First of all, download the Android 5.0.2 SlimLP Alpha 1 ROM ( for Galaxy S4 LTE and Google Apps .zip files on the PC.

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

Step No 3:- Copy the Android 5.0.2 ROM .zip file which you’ve already downloaded from the above link, to the root folder of your SD card.

Step No 4:- Disconnect the Galaxy S4 from the PC and power it OFF in order to boot into Recovery Mode.

Step No 5:- Power ON the device while pressing and holding Volume UP + Home + Power keys altogether to enter into Recovery Mode.

Step No 6:- Once in the recovery mode, perform a wipe data/factory reset and Wipe Cache partition. In the Advanced area of CWM, you will find Wipe Dalvik Cache which is not compulsory but we recommend to perform this step too.

Step No 7:- Go back to the main Recovery Menu and choose install zip from SD cardchoose zip from sdcard.

Step No 8:- Navigate to the Android 5.0.2 ROM .zip file which you’ve already transferred to the SD card. Select the ROM .zip file using the Power button and confirm the installation to begin.

Step No 9:- Navigate to +++++Go Back+++++ once the installation is completed. From Recovery Menu, reboot your device by selecting reboot system now.

Step 10:- Your Samsung Galaxy S4 GT-I9505 will be rebooted and may take up to 4 to 5 minutes to boot.

That’s it. Your device has been updated to SlimLP Alpha 1 Android 5.0.2 Lollipop custom ROM. Now Go to Settings > About Phone to verify the Android version. If you have any questions let us know in the comments.