  |  |  |  |  |
| Operating system | Android 9.0 Pie | Android 1.5 | Proprietary OS | Android 6.0 | Android 6.0 |
|---|---|---|---|---|---|
| CPU model | Qualcomm | Qualcomm Snapdragon MSM7200A | N/A | MediaTek MT6735A | Qualcomm Snapdragon 430 MSM8937 |
| RAM memory | 2 GB | 56 MB | N/A | 2 GB | 3 GB |
| CPU clock speed | N/A | 0.53 GHz | N/A | 1.3 GHz | 1.4 GHz |
| CPU cores | N/A | Single-core | Single-core | Quad-core | 8-core |
| GPU model | N/A | N/A | N/A | ARM Mali-T720 | Qualcomm Adreno 505 |
| Height | 5.83 in | 4.29 in | 3.35 in | 5.63 in | 5.66 in |
|---|---|---|---|---|---|
| Width | 2.64 in | 2.15 in | 1.71 in | 2.77 in | 2.83 in |
| Depth | 0.94 in | 0.63 in | 0.78 in | 0.34 in | 0.34 in |
| Weight | 11.64 oz | 4.9 oz | 2.72 oz | 4.73 oz | 5.47 oz |
| Sim card size | Nano SIM | Mini-SIM | Mini-SIM | Micro-SIM | Nano-SIM |
|---|---|---|---|---|---|
| Dual sim support | N/A | no | no | yes | yes |
| DLNA certified | N/A | no | N/A | N/A | no |
| Bluetooth | N/A | yes | no | yes | yes |
| Bluetooth version | N/A | 2.0 | N/A | 4.0 | 4.1 |
| Bluetooth profile | N/A | A2DP | N/A | N/A | A2DP |
| Bluetooth codec | N/A | SBC | N/A | N/A | SBC |
| NFC | N/A | no | no | N/A | yes |
| Charging connection | N/A | USB | N/A | N/A | USB |
| Headphone connection | N/A | 3.5 mm | N/A | 3.5 mm | 3.5 mm |
| USB version | N/A | 2.0 | N/A | N/A | 2.0 |
| Video output | N/A | No | No | N/A | No |
| Type of USB connector | N/A | N/A | N/A | Micro-USB | N/A |
| USB On-The-Go (OTG) | N/A | N/A | N/A | N/A | no |
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