An advantage of the Samsung Galaxy J1 Ace Duos (4G SM-J110M/DS) is the possibility of using two mobile carriers, a Dual-SIM device with two SIM card slots. Good connectivity of this device includes Bluetooth 4.0 + A2DP, WiFi 802.11 b/g/n [wifi4] (2.4GHz), but it lacks NFC connection.
An advantage of the Samsung Galaxy J1 Ace Duos (3G SM-J110L/DS) is the possibility of using two mobile carriers, a Dual-SIM device with two SIM card slots. Good connectivity of this device includes Bluetooth 4.0 + A2DP, WiFi 802.11 b/g/n [wifi4] (2.4GHz), but it lacks NFC connection.
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