Install Recovery Mode in SAMSUNG GALAXY DEVICES through ODIN via ODIN MODE
If your SAMSUNG GALAXY DEVICE is running on official Android firmware, then you can easily boot into Download Mode like this:
1-: Power off the phone completely by removing its battery for 5 seconds.
2-: Re-insert the battery back into its place.
3-: Press and hold Volume Down, Home and Power buttons, all at the same time.
4-: Release the buttons only when the ‘Warning!!’ message appears.
5-: Next, press Volume Up button to confirm that you wish to enter Download Mode.
6-: Your device will now show a green Android with the ‘Downloading… Do not turn off target’ text listed under it.
That’s it, now you can connect your device with your PC after you launch ODIN.
ODIN - DOWNLOAD
CWM RECOVERY for Samsung Galaxy devices - DOWNLOAD
After download all stuffs for your mobile,
Launch ODIN In your PC/LAPTOP
-Connect your device through Data Cable to your PC
-ID:COM in Odin detects and "Added" msg appears in the msg box
- Select PDA in Odin.
- Now go to CWM recovey file which you have downloaded from the above link and select it.
-Now click "START" to proceed.
If CWM Recovey is successfully installed in your device, The Box turns Green and displays "PASS" in ID:COM box.