Internal 16GB 1GB RAM. it's held up well with no issues. 4G bands 1, 3, 7, 8, 20 - Global. Product information. USB microUSB 2.0, OTG. Radio FM radio. Bluetooth 4.1, A2DP, LE. CommsWLAN Wi-Fi 802.11 b/g/n, hotspot.
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