How To Install Android 5.0 Lollipop NamelessROM on Galaxy S3 I9300

Galaxy S3 is one of the leading Samsung flagship devices and selling 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 has been released for Samsung Galaxy S3. We’ll guide you that how to update Samsung Galaxy S3 I9300 to Android 5.0 Lollipop NamelessROM.

Actually, NamelessROM is based on the latest Android 5.0 Lollipop and one of the very first custom ROM for the Samsung Galaxy S3 I9300 (International Variant). This new custom ROM comes with a new lock screen, material design, notification center and carries the functions and features from the famous AOSP based ROMs and CyanogenMod, OmniROM, AOKP, AOSPA and SlimROM. This ROM is developed by “dhiru1602″ 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.

Changelog

• 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

Warning:

AndroidXDA.net will not be responsible for any kind of damage or lose 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 own risk.

Before Getting Started:

• 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 properly 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 is doesn’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 clockworkmod 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:

• Download NamelessROM Android 5.0
• Download Gapps

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 (nameless-5.0-20141128-i9300.zip) and GApps (gapps-lp-20141109-signed.zip) 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.

Step No 9:- Confirm the installation and the flashing process will be started.

Step No 10:- Now install by repeating the above steps once the ROM is installed.

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.

Troubleshooting:

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