Automatically network will disconnect and connect again in sim1 here signals are very good and in other mobiles also have good but in Samsung only it's showing no network for sim1 it's disconnect and connect automatically.what is the problemSim1 det...

how to use 4g Volte for both Sims at same time .I am waiting for that update for samsung j7 duo ..please let me know r else I will go for other companies mobile

we are seeing in the trend of world is technology .In mobile technology new thing is to standby 4g Volte for both Sims. some mobile companies are released this feature.i am also expecting from samsung.please introduce that new feature in early