meri kafi level ki kit lagi hai -_-
i found a tutorial that rooted using twrp. well it did install twrp, but the root wasn't successful, su wouldn't updated binary. then i tried to go back to stock, but got the wrong file, finally found the stock file and saved my ***.
now to do as you say :P, my q is that how am i supposed to use this img file, i only know of using tar files from odin
already installed drivers and enabled debugging, kies is installed and phone connects so drivers must be installed