Click download

Disclaimer

Pre-Requisite

• For successful completion of this rooting process charge your phone up to a minimum of 75% battery.
• You must take a back-up of all your personnel items and other impotent data, such as Call Logs, SMS, Contacts, Audios, Images, Videos, APN (Access Point Names) settings, Bookmarks, MMS settings, on your phone.
• One must install a custom recovery image particularly for his Android device. To do this, ClockworkMod Recovery should be downloaded using the Internet.
• If you have not, then you must unlock your Android device’s Bootloader.
• You must enable USB Debugging mode on your Samsung Galaxy Ace. Just follow, Settings–>Applications–>Development–>USB debugging. There select the USB Debugging icon.

Steps for Increasing Internal Memory of Samsung Galaxy Ace

 

By this guide you can root the galaxy S3 which running on ice cream sandwich and jelly bean (4.0.4, 4.1.1, 4.1.2, 4.2.1, 4.2.2 and 4.3)

Rooting instructions :
Backup your data first
(For SCH-I535 Verizon galaxy S3 Android 4.1.1 and 4.1.2, you need to unlock bootloader first GO HERE)
1 - Download and install Kies or Samsung mobile USB driver.
2- Visit autoroot.chainfire and Download "CF-Auto-Root" file (Make sure that you have been chosen the correct file for your device model)

3 - Unzip the downloaded file ONLY one time
4 - Run Odin as administrator
5 - Click on PDA button and browse to "CF-Auto-Root-....tar.md5" file that you extracted

6 - Disconnect any device connected to USB ports on your computer and disable your antivirus software
7 - Shut down your device
8 - Put your device into Download Mode (Volume Down + Home + Power)
9 - Volume up to continue

10 - Connect the device to your computer by USB cable and wait until you get a sign in Odin (ID:COM section) and "Added" in message

11 - Make sure re-partition is NOT TICKED [Very important]
12 - Click "Start" and wait a few seconds.

YT Video link : http://www.youtube.com/watch?v=LwsvPO8jVGE

• CF-Auto-Root website autoroot.chainfire
• Odin3 v3.04 HERE, v3.07 HERE, v3.09 HERE 
• Latest Samsung Mobile Driver HERE
• Latest Samsung Kies HERE
• Latest Samsung Kies 3 HERE

1. Data corruption or Hard Disk Fragmentation 
2. Missing Windows update or outdated drivers
3. Left over programs, old cached and temporary files
4. Not enough hard Drive space...with too many unused programs.
5. Too many programs running at startup or in background

• Open Disk Defragmenter by clicking the Start button . In the search box, type Disk Defragmenter, and then, in the list of results....click Disk Defragmenter.
•  Under Current status, select the disk you want to defragment.
• To determine if the disk needs to be defragmented or not, click Analyze disk. If youre prompted for an administrator password or confirmation, type the password or provide confirmation.
• Once Windows is finished analyzing the disk, you can check the percentage of fragmentation on the disk in the Last Run column. If the number is above 10%, you should defragment the disk.
• Click Defragment disk. If youre prompted for an administrator password or confirmation, type the password or provide confirmation.

• Open Windows Update by clicking the Start button .In the search box, type Update, and then, in the list of results, click Windows Update.?
• In the left pane, click Check for updates.
• If there are any available updates, click the links to see more information about each update.
• Windows Update tells you if an update is important, recommended, or optional. Each type of update might include drivers.
• On the Select the updates you want to install page, look for updates for your hardware devices, select the check box for each driver that you want to install, and then click OK.
• There might not be any available driver updates.
• On the Windows Update page, click Install updates If youre prompted for an administrator password or confirmation, type the password or provide confirmation.