How To Flash Samsung Galaxy Mega 5.8 Stock ROM using odin Please follow the instruction carefully, it may brick your phone.
Step 1 : Download & install
Odin (latest version) on your computer.
Step 2 : Download and install
Samsung USB driver on your computer.
Step 3 : Download
Stock ROM from below link.
Step 4 : Open
OdinStep 5 : Tick
Auto Reboot & F. Reset boxes.
Step 6: Click the PDA and browse the *.tar or *.tar.md5 files this is a ROM file which you downloaded.
Step 7 : Switch off your phone.
Step 8 : Press & hold (
Volume down + Home + Power ) key to go to download mode.
Step 9: Insert USB cable to your phone.
.
Step 10 : Click the
START botton and wait for a few minutes to complete flashing.
Step 11 : After flashing complete, you will see a green (PASS) bar on the top like below image.
DOWNLOAD :