The most current firmware updates for Samsung handsets both old and new are on our list of daily updates today, so all you need to do is go through this tutorial and start updating. Good luck.
Galaxy A3 (SM-A310M) - (7.0) - Brazil (ZTO)
Galaxy A3 (SM-A310M) - (7.0) - Jamaica (JDI)
Galaxy S4 (GT-I9505) - (5.0.1) - Finland (NEE)
Galaxy A3 (SM-A310F) - (7.0) - Slovenia (si.mobil)
Galaxy A3 (SM-A310F) - (7.0) - United Arab Emirates (XSG)
Galaxy A3 (SM-A31
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