June 03, 2015


Update Galaxy Core I8262 to Cosmic ROM Android 5.0 Lollipop [CM Based]

Cosmic Rom Lollipop Final Edition for Galaxy Core I8262 is now available to download . It is a Great Mixture of Lollipop Framework on Jellybean Platform.  XDA Developers has fully delivered the Android 5.0 Themed ROM to Cosmic ROM Lollipop Final Edition . There is not a single Lollipop themed ROM for any Samsung Jelly Bean devices.  So XDA Developers has ported it from various CyanogenMod 11 and CyanogenMod 12 themes and from Some Xposed themed.  If interested in Android 5.0 for other phones, check out our new Custom ROMs section.

Cosmic ROM Android 5.0 Lollipop

You can update Galaxy Core I8262 to Cosmic ROM Android 5.0 Lollipop custom firmware using the tutorial below. This is not an official release by Samsung, but just a custom ROM which would require a custom recovery like ClockworkMod in order to flash the ROM zip files on your phone.

Disclaimer: All the official firmwares, custom ROMs, software updates, themes, mods, tools, apps, or anything provided in our blog belongs to their respective developers. Most of the custom ROMs we are providing here are from XDA Developers. We (iDroid Horizon) or the respective developers are not responsible if any of our tutorial damage or brick your device. However if you follow our instruction properly, we hope it would not bring you in trouble. If you face any problems with our tutorials, please comment below. We are sure that we can bring your device in original position.

There are tons of useful articles and how-to guides on iDroid Horizon for the Samsung Galaxy Core I8262, but we think you might be interested in the following posts:

List of Features in Cosmic ROM Android 5.0 Lollipop Update :

  • Exact Replica of Android Lollipop Framework.
  • Android Lollipop animations added to framework [ Like list ,Check box, Radio button,etc..]
  • Optimized Framework with 200 DPI as default
  • New Status bar L Theme
  • Moto G styled Expanded Toggles
  • Profile Picture and Name in Status bar Toggles view.
  • Lollipop themed Apps.
  • Lollipop Easter Egg [ Improved one - now set difficulty levels... ]
  • Phone and Others apps are Optimized for 200 DPI.
  • Lollipop wallpapers added to stock wallpaper app.
  • Bug fixes like Dual SIM Wallpaper, Gallery Slideshow FC fixed and many others..
  • Many more to feel the Lollipop awesomeness....
Like this Cosmic ROM Android 5.0 Lollipop based on the latest Android 5.0? We love it too and we know you are looking forward to install it on your phone now. Now please read below for important tips on how to make sure your installation goes smooth and you do not end up with any problems.

Galaxy Core I8262 USB Drivers :

You will need to connect your Android phone with the computer. For that, please make sure you have installed the USB drivers for Galaxy Core I8262 properly. If not, you can download the latest official drivers from our Android USB Drivers section here:

Backup and some important tips

Backup your all important data and apps because during any installation of a new custom ROM or Official Firmware , your device will be wiped and cleaned with new operating system. Make a backup for just in case, you never know when anything might go wrong. Read below for some important tips on how to backup Android data in a easy process:

Few more important things that you must remember before installing any custom ROMs or Official Firmwares:

  • You might face some problems in connecting your Android device to the computer. How to fix? You need to enable USB debugging mode. See here: How to Enable USB Debugging — for Gingerbread, Ice Cream Sandwich and KitKat.
  •  Make sure your Android device is charged up to 80-85% battery level. This might help you: How to Check Battery Percentage.  Why? Because, if your phone goes off suddenly while installing a custom ROM, flashing an official firmware update or installing mods etc. — your phone might get bricked or go dead permanently. No one wants that, right?
  • Most of the tutorials and how-to guides on iDroid Horizon are for factory unlocked Android phones and tablets. We recommend NOT to try our guides if your phone is locked to a carrier, unless we have specified the carrier name or device model. And also make sure you have an unlocked bootloader (except Samsung).
If you find the above tips useful and they were helpful to you, please consider giving us a +1 or LIKE to thank us!

All set and ready? Good. Now, let’s proceed with the tutorial below and update Galaxy Core I8262 to Cosmic ROM Android 5.0 Lollipop custom firmware.

How to Install Cosmic ROM Android 5.0 Lollipop Custom Firmware

We have put together a detailed step-by-step instructions guide on how to install Cosmic ROM Android 5.0 Lollipop custom firmware on Galaxy Core I8262. If you are used to installing custom ROMs on your Galaxy Core I8262, then this should not be any different for you.

However, for beginners, you need to root your Galaxy Core I8262 and install a custom recovery. Please Google that up if you are unsure and make sure you read the tutorial once before actually performing it on your device.

Please make sure your phone fulfills all the requirements and you read the entire tutorial once before actually performing it on your device.
Try this on your own risk. We are not responsible if you mess up with your Galaxy Core I8262.
To Remember:
  • This Cosmic ROM Android 5.0 Lollipop Firmware tutorial is only for Galaxy Core I8262 and I am not sure if it will work on the other variants of the Galaxy Core on other carriers.
  • Make sure your phone is rooted and has a custom recovery like ClockworkMod installed.
  • Make a Nandroid backup of your previous phone set up before proceeding – for just in case anything goes wrong.
  • Install the Google Apps package if you want the usual Google apps (Gmail, Maps, Play Store, Calendar etc.) on your phone.
NOTE: Installing Cosmic ROM Android 5.0 Lollipop Custom ROM will WIPE / DELETE / ERASE everything from your phone if your bootloader is not already unlocked. Please make sure you have a backup of all the data. Read: How to Backup Android Apps and Other Data.

Complete Step-By-Step Instructions:

Step 1 - Download Cosmic Lollipop Final Edition ROM for Galaxy Core I8262 on your PC, if you haven’t already.
Note : Your Galaxy Core I8262 should be on Cosmic ROM Version 1.0 before flashing this ROM.
Step 2 - Connect your Galaxy Core I8262 to your computer using the USB cable.

Step 3 - Please make sure Fastboot is configured and properly installed on your computer. How? See here: How to Set Up ADB and Fastboot with Android SDK.

Step 4 - Then turn OFF your phone and disconnect from the USB cable.

Step 5 - Get into the Fastboot/Bootloader Mode on your device. Turn ON the tablet while pressing and holding the Volume Up + Power buttons till you see the Fastboot menu and START on top.

Step 6 - Now to get in the Bootloader Mode. Turn ON the phone while pressing and holding the Volume Up + Volume Down and Power buttons.

Step 7 - Follow the navigation instructions on the screen. Select BOOTLOADER and then go to RECOVERY.

Step 8 - Once you are in ClockworkMod Recovery, select perform a full data wipe by selecting “wipe data/factory reset” . Use the Power button to select everything while in the Recovery Mode.

Step 9 - Then, perform a cache wipe by selecting “wipe cache partition” as you can see in the image below.

Step 10 - Now this is optional, but it is recommended to perform a wipe of your dalvik cache as well. You will not get into boot loops or any other errors. From CWM recovery, go to ‘advanced’ and then select “wipe dalvik cache”.

Step 11 - Then go back to the main recovery screen and select “install zip from SD card”.

Step 12 - Now select “choose zip from sdcard”. Using your volume keys, navigate to the Cosmic ROM Android 5.0 zip file that you copied to your SD card and select it using the Power button. Confirm the installation on the next screen and the installation procedure should start now.
Optional : If you want to remove GApps from the ROM, flash GApps remover zip after installing lollipop edition.
Step 12 - After the installation completes, go to “+++++Go Back+++++” and reboot the phone by selecting “reboot system now” from the recovery menu as show below.

Your Galaxy Core I8262 will boot now and it might take about 5 minutes to boot on your first time. So, please wait.

That’s it! Your Galaxy Core I8262 should now have Cosmic ROM Android 5.0 Lollipop custom ROM installed on your phone! Go to Settings > About phone to verify.
If You want tinted Status bar automatically in all Apps :
  • Install XPOSED framework from Settings > Xposed settings 
  • Then go to Modules in Xposed > tick Tinted Status bar.
  • Then go back to settings > cosmic mods > Statusbar Tint (Xposed module)
  • Press "MENU" button and click on settings.
  • Now there are many Check Boxes : 1 (allow 3rd party) ,3 (Animate), 4 ,5,7 [ These options should be checked ]
  • Select option Default tints
  • 1st option should be completely transparent > opacity 0 and apply
  • 3rd option should be White and apply.
  • Now restart device .and enjoy.
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Have fun playing with the new Cosmic ROM Android 5.0 Lollipop. All the instructions are clearly given above, but if you have any issues, please let us know.  


  1. can i start from step 8?
    becoz ClockworkMod Recovery is already installed

    1. what is use of fastboot and step 3,4,5,6,7?

  2. what is the use of bootloader and fast boot mode we can install any rom without fastboot and bootloader on samsung devices