How To Install Android 5.0 Lollipop NamelessROM on Galaxy S3 I9300

A detailed guide on how to install Android 5.0 Lollipop NamelessROM on Galaxy S3 I9300. Galaxy S3 is one of the leading Samsung flagship devices and selling the brand in the world’s market. As you know that Samsung didn’t update Galaxy S3 with KitKat so its users have to update their Galaxy S3 devices by rooting and flashing custom ROMs.You can find a lot of custom ROM available for the Galaxy S3 based on Android 5.0 Lollipop but with a lot of bugs such as Bluetooth, WiFi, RIL, Mobile Data, Missing GApps and much more.

Recently many Android devices received 5.0 Lollipop builds such as Nexus, Xperia and S5, etc. Being a proud Galaxy S3 owner you’ll be happy to know that now another ROM named “NamelessROM” based on 5.0 Lollipop is now available for Samsung Galaxy S3. We’ll guide you that how to update Samsung Galaxy S3 I9300 to Android 5.0 Lollipop NamelessROM.

Namelessrom is based on the latest Android 5.0 Lollipop and one of the very first customs ROM for the Samsung Galaxy S3 I9300 (International Variant). This new custom ROM comes with a new lock screen, material design, notification centre and carries the functions and features from the popular AOSP based ROMs and CyanogenMod, OmniROM, AOKP, AOSPA and SlimROM. All credit goes to “dhiru1602” for releasing this ROM at Xda forums, and you will need a custom recovery such as ClockworkMod to flash the ROM and Google Apps .zip files on the S3.

NamelessROM Android 5.0 Lollipop


  • Fixed Mobile Data
  • Fixed Wi-Fi – Although there are still bugs from Google
  • Fixed GPS
  • Fixed Random reboots due to Wi-Fi
  • Updated to latest sources


AndroidBlog will not be responsible for any damage occurred into your Galaxy S3. There may be some bugs as this custom ROM is in its alpha state currently. Android 5.0 NamelessROM works with Galaxy S3 I9300 (international version). Flashing a wrong firmware file on any incorrect variant might brick the device. Proceed at your risk.


  • Make a proper backup of all your required data on the phone such as your SMS, MMS, Settings, Call Logs and Contacts, etc.
  • Make sure that you have correctly installed USB Drivers on your PC for the Galaxy S3.
  • Enable USB Debugging on the phone navigating to Settings > Developer Options. If there Developer Options don’t appear then go to Settings, > About phone and tap on Build Number several times til a message appears saying “You are now a Developer.”
  • The Galaxy S3 should be rooted, and the latest custom recovery like clockwork mod should be installed on it. See this guide.
  • Ensure that the battery level of your Galaxy S3 is about 80% before proceeding to the installation process.

Required Files:

Steps To Install Android 5.0 Lollipop NamelessROM on Galaxy S3 I9300:

Follow this guide to install Android 5.0 NamelessROM Lollipop on Galaxy S3 I9300 with complete steps.

Step No 1: – First of all connect your Galaxy S3 with the PC using its USB data cable.

Step No 2: – Copy the NamelessROM Android 5.0 ( and GApps ( files to the root of microSD card.

Step No 3: – After moving .zip files to your SD card, disconnect the phone from the PC.

Step No 4: – Now Turn Off the Galaxy S3 completely in order to enter into Recovery Mode and wait for a while.

Step No 5: – Turn on the device while pressing and holding Volume Up + Home + Power buttons at the same time.

Step No 6: – While your device is now in the Recovery Mode. Perform wipe data, cache and dalvik cache.

Step No 7: – Go back to the main Recovery Menu and select install zip from sdcard then select choose zip from sdcard.

9: – Confirm the installation and the flashing process will start.

Step No 10: – Now install by repeating the above steps after installing the ROM.

Step No 11: – Return to the custom recovery screen and reboot the phone by navigating to Reboot System Now after the installation process is finished.

Done! You have successfully updated the Samsung Galaxy S3 I9300 to Android 5.0 Lollipop NamelessROM.

Note: It is recommended to give about 10 minutes to the ROM after the Galaxy S3 boots up for the 1st time.


If your Galaxy S3 gets stuck on booting animation or facing boot loop issue then perform wipe cache partition and wipe dalvik cache for a few times before rebooting the device after flashing the ROM.

Do let us know in the comments section below if you have any query or problem regarding the above step by step guide.

Sources: Team Android & XDA

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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  1. I don’t get any Lollipop Welcome screen. All I get is a bootloop. – Endless white spots flying
    on the screen, then disappearing and Samsung Galaxy S3 logo showing. Over and over again PLZ HELP ME.

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