How to Root & install CWM recovery on Galaxy Core 2 SM-G355H


Download Files:

Rooting Package for Samsung Galaxy Core 2 SM-G355H. 
CWM Recovery for Samsung Galaxy Core 2 SM-G355H. 
Odin3-v1.85 Multi Downloader.

Procedure to Root Samsung Galaxy  Core 2 SM-G355H:

Step 1: Download the Rooting package from the above link and without extracting transfer it on your phones SD card using USB cable. Remember not to place it in deep directories.
Step 2: Now you need to boot your Galaxy Core 2 into stock recovery mode. For that firstly power off your phone completely til it vibrates.
Step 3: For Galaxy Core 2, recovery mode can be entered by pressing and holding Volume up + Home button (Middle button) + Power button simultaneously until the recovery mode appears.
Galaxy Core 2 SM-G355H enter recovery mode
Note: As you enter the recovery mode you’ll notice that touch won’t wok here. So for navigating you need to use Volume Up and Volume Down keys  and Home button (Middle button) for selection.
Step 4: Now navigate to the ‘Update from SD card’ option using Volume keys and select it using the Home button (Middle button).
Step 5: As you click on it, you’ll see all the files and folders located on your external SD card including the Rooting Package file which you have copied earlier.
Step 6: Now again using the volume keys, navigate to the Rooting Package (Update.zip) file and select it using Home button. On the next screen select Yes option to start the Rooting process. Be patient until it completes successfully.
Step 7: After successful rooting, you’ll again return to the main menu of Recovery mode. Just restart your Galaxy Core 2 by selecting ‘Reboot system now’ option.
That’s all! You’ve successfully rooted your Samsung Galaxy Core 2 SM-G355H smartphone. An app named Superuser installed on your phone will confirm that your device is properly rooted. This Superuser app supervises each and every app that requires a root access.
You can use this Root Checker app to confirm the same.
Galaxy Core 2 SM-G355H root checkLets flash the CWM recovery now.

Procedure to Install CWM recovery on Galaxy Core 2:

Step 1: Download the CWM recovery package file on a specific folder on your computer. Extract it and you’ll see a recovery.tar.md5 file.
Step 2: Also download and extract the Odin3-v1.85 on your computer.
Step 3: You need to boot your Galaxy Core 2 into downloading mode. For that firstly switch off your phone completely till it vibrates. Then press and hold Volume down key + Home button (middle button) + Power button simultaneously till you see a warning message. You may leave all the three keys now. Just press Volume up button to enter downloading mode.
Download mode
Step 4: Using USB cable connect your phone to PC. Now launch Odin3-v1.85 software on your PC. As you open it, the ID:COM section in it will turn yellow. Also an ‘Added‘ message will appear in the message box window. This will confirm that your Galaxy Core 2 has been successfully connected to your PC. If such thing doesn’t happen then try using different USB ports or different USB cable or just re-install the device specific drivers from the links given in Prerequisite section.
Galaxy S3 Neo cwm recovery odin screenshot1
Step 5: Now tick the Auto-Reboot and F.Resest Time options present on the Odin window. Do not tick or un-tick anything else.
cwm recovery odin screenshot 2
Step 6: On the Odin window, to the right hand side you’ll see a tab named PDA tab. Select that and locate the ‘recovery.tar.md5‘ file which you have downloaded before & select it.
cwm recovery odin screenshot 3
Step 7: After completing everything as mentioned above, simply press the Start button located on the Odin window to initiate the CWM recovery flashing process. Your phone will automatically reboot itself while going through the process. It is recommended not to touch or remove the USB cable until the process completes.
cwm recovery odin screenshot 4
Step 8: Be patient until the installation of CWM recovery completes. It will hardly take a minute. As soon as it completes, you’ll see the Pass message on the Odin window. You can safely remove the phone from PC now.
Note: If due to any reason the process fails or if Odin gets stuck or in case your device gets boot loops, then don’t panic. Just close the Odin window, remove and re-insert the battery from your device. Again go into downloading mode and repeat the whole procedure as given above.
Step 9: For confirming that CWM recovery has successfully installed or not, boot your Galaxy Core 2 into recovery mode. For that, firstly switch off your phone completely.
Step 10: Now press and hold Volume up + Home button + Power button simultaneously til the recovery mode appears. You’ll notice that Clockworkmod recovery is properly installed on your Galaxy Core 2.
Step 11: You can restart your phone by selecting the ‘reboot system now’ option present on the recovery mode itself.
Success

How to root Samsung Galaxy Ace 3 GT-S7270


BEFORE WE BEGIN

Download the following Rooting package, based on your device model number and save it to your desktop

HOW TO FLASH (INSTALL) CWM RECOVERY ON SAMSUNG GALAXY ACE 3

  • First of all, download and install the Samsung USB drivers on your PC
  • Next download the root package for your device from above
  • Connect your phone to PC via USB cable and transfer the Root.zip file to the internal memory of your phone
  • Download the ODIN package and extract it to your desktop too
  • Disconnect the phone and power it off
  • Open the ODIN folder you extracted in Step 4 and run the Odin3 exe file as administrator
  • Now power on your phone while pressing the Volume Down + Home + Power buttons at the same time. This will boot your phone into Download Mode
  • Now plug in your phone to the PC. You should see an Added! message in the Odin window
    image: http://cdn1.dottech.org/wp-content/uploads/2014/02/Device-Added-Odin-620x155.jpg
    Device Added Odin
  • Click the PDA or AP button in ODIN and load the touch.tar OR nontouch.tar file, depending on which one you downloaded
  • Leave everything else in ODIN as it is. Check screenshot below for confirmation
    image: http://cdn1.dottech.org/wp-content/uploads/2014/02/ODIN-flash-CWM-S4-Mini-620x457.jpg
    ODIN flash CWM S4 Mini
  • Double-check everything in ODIN and click the Start button to start flashing the CWM recovery image on to your device
  • Once the flashing is complete, you should see a Green PASS message at the top left in ODIN. It is now safe to disconnect your phone. CWM Recovery has been flashed on your device

HOW TO ROOT SAMSUNG GALAXY ACE 3

  • Power off your phone
  • Reboot to CWM Recovery. To do so press and hold the Volume Up + Home + Powerbuttons together. Release them when you see the CWM screen. In CWM mode, use the Volume Up/Down keys to scroll and the Power or Home key to select an option
  • Select Install zip from SD card, and on the next screen select Choose Zip from SD card
  • You should now see a bunch of folders and files. These are the contents of your internal SD card. Locate the root.zip file you copied over earlier and select it with the Power button
    image: http://cdn1.dottech.org/wp-content/uploads/2014/02/CWM-Recovery-Flashing-Steps-620x281.jpg
    CWM Recovery Flashing Steps
  • On the next screen, select Yes to confirm the flash
  • Wait for CWM to flash the root package
  • Once done, Go Back to the main menu and select Reboot System Now
  • After your phone has booted up fully, open the App drawer and look for the SuperSU app.
  • Congratulations!! Your Galaxy Ace 3 now has full root access as well as the custom CWM Recovery installed!
Enjoy your rooted device.

Read more at http://dottech.org/149733/how-to-root-samsung-galaxy-ace-3-gt-s7270-gt-s7272-and-flash-cwm-guide/#wWyBSvOZvXhGH8yP.99