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If you want to know which ROM I am running on my Galaxy S3 GT-i9300 right now, it’s this Criskelo ROM. (PLEASE DO NOT FLASH THIS ROM ON U.S. or Canadian Galaxy S3s! PLEASE!)
XDA user Criskelo has been a recognized developer and I have seen him make some really awesome ROMs, he really stands by his name and his latest ROM for the i9300 is pretty simply,
He’s also helped me quite a few times when I used to develop kernels for a short time being, all-around great guy coupled with great skill equal the best ROM you can get for your Galaxy S3 GT-i9300.
Anyways, Criskelo ROM does feature a ton of great things like ability to change CSC, 15 toggles, Fast Dormancy app (for longer battery life), rollTube app (download YouTube vids), and a whole lot more.
Just flash it and let me know if this is the best ROM you’ve tried so far, I would be very surprised not to hear that.
Download Criskelo ROM
Credits – XDA
Also check out Criskelo ROM for Galaxy Note GT-N7000 if you have that phone!Need Help? Follow/add me on Google+, Facebook, or Twitter!
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You will need a rooted Galaxy S3 to install all ROM/kernels.
NOTE: PLEASE ONLY INSTALL ROMS INTENDED FOR YOUR VERSION OF GALAXY S3! Otherwise you WILL BRICK YOUR PHONE and I will not be responsible!
First time to rooting and custom ROMs? Please see our Galaxy S3 Root FAQ FIRST! Galaxy S3 ROMs
Galaxy S3 GT-i9300 ROMs
T-Mobile Galaxy S3 SGH-T999 ROMs
AT&T Galaxy S3 SGH-I747 ROMs
Sprint Galaxy S3 SPH-L710 ROMs
Note: T-Mobile Galaxy S3 ROMs are compatible with Canadian Wind, Mobilicity, and Videotron Galaxy S3s.
AT&T Galaxy S3 ROMs are compatible with Canadian Bell, Telus, and Sasktel Galaxy S3s.