SlimLP ROM for AT&T Galaxy S2 SGH-i777! [Android 5.1.1]


If you are looking for one-stop, do-it-all Android 5.1.1 custom ROM for your AT&T Galaxy S2 SGH-i777, definitely check out the latest SlimLP ROM.

Based on the latest Android 5.1.1, SlimLP ROM is the Lollipop sibling of its original Slim ROMs.   And if you guys have been following for the last few years, you probably remember that Slim ROMs started with the SGH-i777 (yes! This is where it ALL STARTED!).

Now, SlimLP ROM is available for many other/newer Android devices and it’s one of the lightest/fastest AOSP ROMs (What is AOSP?) in the custom ROMing world.

The SlimLP ROM comes with its own SlimLauncher (just as good as Trebuchet or maybe better?) and a few customization for your status bar, recents, navigation bar, and some more.  This isn’t the most customizable ROM in the world but then again, I find this ROM more stable (no random reboots) than any other Android 5.1.1 custom ROM I’ve tried so far on the SGH-i777.

If you are still stuck in stone ages with ICS, Jelly Bean, or even 5.0.2, it’s time to upgrade your phone and make it run like a beast (this ROM gets almost 20K on Antutu).  So, give the latest SlimLP ROM a go this week(end) and do let me know what  you think!


Download SlimLP ROM for AT&T Galaxy S2 SGH-i777

Download Android 5.1 Gapps (DO NOT USE older Gapp as you will FC!!!)

 For installation, please follow How to Install Android Lollipop ROM on Galaxy S2!

To install, reboot into recovery, make backup ROM, wipe data/factory reset, install ROM, install Gapps, and reboot. (If for some reason you end up in a bootloop, reboot into recovery, go to Advanced Wipe for TWRP or Mounts & Storage for CWM, format/wipe /system, then re-install ROM.)

Credits – XDA <— Please donate to the developer of this ROM or hit Thanks button on XDA if you like it, thx!


Extra MODs:


Q: My 3G/4G LTE data is not working!!!
A: See How to Fix 3G/4G LTE data by Manually Setting APN on Android!

Q: I have no Play Store!
A: Make sure you install Gapps zip file in TWRP or CWM Recovery!!!  Download link in this post above.

Q: I am getting Status 7 error in CWM/TWRP!
A: Sometimes, ROM developers put restrictions by accident, you can try this guide to get around it.

Q: I have no root access!
A: Missing root?  See How to Enable Root on CM12.1!

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4 Responses

  1. gratis gratis says:

    no sound(ring sound) heard in outgoing call until other side picksup the call or I put in speaker.

  2. Japan_innovation says:

    I flashed using the SlimLP ROM for AT&T Galaxy S2 SGH-i777 ( and Android 5.1 Gapps but, after reboot I was stuck at Samsung logo and even won’t go to recovery mode. Only download mode works which is the ODIN mode.

    Any steps I could do to fix this issue? (I guess I need to download something on my computer then, connect using ODIN but, I don’t know which file will fix this issue)
    Maybe someone know how to fix this kind of issue?

  3. Řãp Elle says:

    hi admin i have sum req plz go through
    1st. plz explain how to root i777 jelly bean official stock rom.
    2nd after root which file do we have to download first?
    3rd. can i directly flash this slim Rom 5.1.1 on my device?
    4th Which kernel is necessary?
    5th which version of CWM required?
    till yesterday i was using Shostock 4.1.2 in my device then i tried to flash omni rom but i need to update my CWM first cuz v6.4+ was req and i was having CWM v6.2, so i tried to update my CWM from rom manager but now my i777 is bricked. now i am flashing official stock again.a(waiting file to get Download).
    I am wishing to flash your 5.1.1 Slim rom. plz help me to explain me every single step by step.
    my XDA id is rapdude52. plz help.
    thanx and regards.

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