Installation:-
TWRP_recovery_2.8.4.0.img < Updated with external_sd mount.
Don't install using MobileuncleTools.apk or SP_Flash_Tool_v5.++++ because sometimes will be successfull & sometimes will be failed so i prefer using SP_Flash_Tool_v3.1344.0.212. Please do mark on "DA DL All With Check Sum" before press Download. Thank you!
TWRPrecovery_2.8.2.0_installer.zip
Extract & install into ur computer. Just follow the instruction given by this software.
Good Luck.