If you have Bricked your device or your device is Not booting Up This thread is Not for you.
For those who face Software problems are requested to try resetting your Phone to check if it fixes by it Before trying this.
Go to Settings--> Back up and reset --> Factory Data Reset
Difficulty level: Easy
Things you need:
A computer with Kies installed.
A working Brain .
Of-course the device to be updated.
For Example I will be using My Device - Samsung Galaxy S3 Mini "GT-I8190N"
Step 1: Open Kies
Go to Tools
Firmware Upgrade and Instantiation
Step 2: Enter Your Phone Model Number
Go to Settings --> About Phone, Find Your Model Number
Note: You Should Enter As it is in Settings i.e, "GT-I8190N"
Step 3: Now Enter your device Serial Number
Note: Go to Settings--> Status--> Find Serial Number.
Step 4:Click "OK" to the Dialogue boxes
Step 5: Check "I have read all of the above Information."
Connect your device
Select "Proceed without saving"
Then Click "Start Upgrade"
All Moste Done!
Step 6: Your device will Reboot and Install the firmware.
Reboot and You're Done!
Hit the thanks button
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