Custom ROMS Updates for Galaxy S3 I9300 [Download]

When making the decision on whether or not to modify the software on your device, several factors come into play. Your Android device is pretty much a full computer (and if it's a phone it has additional mobile functions), so it may help to think of it in the same way as you would consider modifying your laptop or desktop computer from its stock installation.

Should I Modify ("mod") my device?

Common reasons to modify your device's operating system include:

Remove unwanted programs ("bloatware") installed by your carrier

Receive more frequent security updates (ie, get the latest fixes from Google in the newer OSes)

Having access to the most current version of Android available (including new features)

Most carriers take months to update to the latest version of Android, whereas rooted devices usually receive updates within days or weeks for Better performance & Extra features
You may also like to see: How to Install CarbonRom on Samsung Galaxy S3 I9300

Note:- This is the table of Contents for Samsung Galaxy S3 I9300 Custom Firmware, don't try this with other Galaxy device. The S III comes with a multitude of pre-installed applications including standard Android ones such as YouTube,
Google+, Voice Search, Google Play, Gmail, Map, and Calendar, in addition to Samsung-specific apps such as ChatON, Game Hub, Video Hub, Social Hub and Navigation. 

Samsung Galaxy S3 I9300 Custom Firmware Download :

• Samsung Galaxy S III (Intl) nightly Unique     

Direct Download: cm-10.1-20130420-NIGHTLY-i9300.zip 
Short URL: http://get.cm/get/7lg 167.90 MB 2013-04-20 10:00:58

• Samsung Galaxy S III (Intl) nightly Unique     

Direct Download: cm-10.1-20130419-NIGHTLY-i9300.zip 
  Short URL: http://get.cm/get/7kb 167.89 MB 2013-04-19 09:57:27

• Samsung Galaxy S III (Intl) nightly Unique      

Direct Download: cm-10.1-20130418-NIGHTLY-i9300.zip 
 Short URL: http://get.cm/get/7j7 167.88 MB 2013-04-18 09:34:40

• Samsung Galaxy S III (Intl) nightly Unique     

Direct Download: cm-10.1-20130417-EXPERIMENTAL-i9300-gerrit-35967.zip 
Short URL: http://get.cm/get/7i1 167.87 MB 2013-04-17 09:46:37

• Samsung Galaxy S III (Intl) nightly Unique      

Direct Download: cm-10.1-20130416-NIGHTLY-i9300.zip 
Short URL: http://get.cm/get/7gQ 167.86 MB 2013-04-16 09:33:06

• Samsung Galaxy S III (Intl) nightlyUnique      

Direct Download: cm-10.1-20130415-NIGHTLY-i9300.zip 
Short URL: http://get.cm/get/7fz 167.87 MB 2013-04-15 09:21:56

• Samsung Galaxy S III (Intl) nightly Unique      

Direct Download: cm-10.1-20130414-NIGHTLY-i9300.zip 
Short URL: http://get.cm/get/7e5 167.87 MB 2013-04-14 13:43:45

• Samsung Galaxy S III (Intl) nightly Unique      

Direct Download: cm-10.1-20130403-EXPERIMENTAL-i9300-CARDOCK.zip 
Short URL: http://get.cm/get/72v 167.29 MB 2013-04-03 18:11:57

• Samsung Galaxy S III (Intl) stable     

Direct Download: cm-9.1.0-i9300.zip 
Short URL: http://get.cm/get/3Fx 145.60 MB 2012-08-29 03:20:29

• Samsung Galaxy S III (Intl) stable     

Direct Download: cm-9.0.0-i9300.zip 
Short URL: http://get.cm/get/3r6 145.60 MB 2012-08-10 13:53:51

Recommended: If you use this Custom Roms then you need to install Google Apps on your Android Device. Need it? Get it here!