  |  |  |  |  |
| Operating system | Android 5.1 | Proprietary OS | Proprietary OS | Android 6.0 | Android 4.3 |
|---|---|---|---|---|---|
| CPU clock speed | 1.3 GHz | N/A | N/A | N/A | 1.2 GHz |
| CPU cores | 8-core | Single-core | Single-core | 8-core | Quad-core |
| CPU model | MediaTek MT6753 | N/A | N/A | N/A | Qualcomm Snapdragon 400 MSM8926 |
| GPU model | ARM Mali-T720 MP4 GP | N/A | N/A | N/A | Qualcomm Adreno 305 |
| RAM memory | 2 GB | N/A | N/A | N/A | 1 GB |
| Dual sim support | yes | no | no | yes | yes |
|---|---|---|---|---|---|
| Sim card size | Micro-SIM | Mini-SIM | Mini-SIM | Micro-SIM | Micro-SIM |
| Bluetooth | yes | no | no | yes | yes |
| Bluetooth version | 4.0 | N/A | N/A | 4.0 | 4.0 |
| Headphone connection | 3.5 mm | N/A | N/A | N/A | 3.5 mm |
| Type of USB connector | Micro-USB | N/A | N/A | N/A | Micro-USB |
| NFC | N/A | no | no | no | N/A |
| Charging connection | N/A | USB | N/A | N/A | N/A |
| USB version | N/A | 2.0 | N/A | N/A | N/A |
| Video output | N/A | No | No | N/A | N/A |
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