If you would like read the step by step instruction of firmware downloading click here: How to Download Official Samsung Firmware.
Select Firmware
smart filter
| PDA Version | OS Version | Fast Download | ||
|---|---|---|---|---|
| S6312XXAML1 | S6312ODDAML1 |
Android / Jelly Bean / 4.1.2
|
13/12/2013 |
N/A 
|
| S6312XXAMG1 | S6312ODDAMG1 |
Android / Jelly Bean / 4.1.2
|
N/A |
N/A
|
| S6312XXAMC4 | S6312ODDAMC1 |
Android
|
N/A |
N/A
|
.