Also see-
How to Root Galaxy Core 2 Without PC#Requirements -
1. PC/Laptop/Netbook.
2. Odin3 v3.09 or any other
3. TWRP
4. Samsung USB Driver
5. USB Cable.
#Downloads -
TWRP -
Here ( Updated)TWRP Flashable Zip -
HERE (Updated)Samsung USB Driver -
Here
#How to Install TWRP Recovery On Samsung Galaxy Core 2
Via Odin-
1. Install Samsung USB Driver on your PC/Laptop or something else
2. Extract odin and TWRP_SM-
G355HN_V2_8_1_0.zip in the same folder
3. Open Odin
4. Reboot phone in Download Mode by pressing and hold Home + Power + Volume Down buttons)
5. Connect phone and wait until detected on odin
6. Add the recovery.tar.md5 file to AP / PDA
7. Make sure re-partition is NOT ticked
8. Click the start button, sit back and wait a few minutes
9. Wait until the flashing process is complete
Via Stock Recovery /CWM-
1. Copy TWRP_v2.8.4.0_by_Dhruvit_
(flashable).zip to External SD.
2. Go to Stock Recovery / CWM.
3. Install zip -> from sdcard .
4. Choose TWRP_v2.8.4.0_by_Dhruvit_
(flashable).zip and wait until finished.
5. Reboot system now.
How to go recovery:
1. Turn off you phone
2. Press and hold together Volume up + Home +Power buttons until phone vibrate then let go.
3. Now you are in recovery mode.
Warning -
Please do not try to repartition ext-sd with twrp.
Credit - novafusion