Step 1: Download Android 4.1.2 I9082XXAMC7 official firmware for Galaxy Grand I9082 on the computer and extract the zip file.
Step 2: Download ODIN v1.85 which is required to install the official firmware on the phone.
Step 3: Turn off the phone and boot it into
Download Mode. To do so, press and hold Volume Down and Home buttons
together, and then tap the Power button until the construction Android
robot icon with a triangle appears on screen. Hit the Power button again
to confirm entry into Download Mode.
Step...
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