| Local Name | Optimax 12 |
| Additional Information | Also known as Plum Z712 |
| Technology | GSM / HSPA |
| 3G Bands | HSDPA 850 / 1900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Speed | HSPA 21.1/5.76 Mbps |
| Announced | 2018, March |
| Status | Available. Released 2018, April |
| Dimensions | 188 x 107.5 x 10.3 mm (7.40 x 4.23 x 0.41 in) |
| Weight | 272 g (9.59 oz) |
| SIM | Dual SIM (Mini-SIM, dual stand-by) |
| Display Type | Li-Ion 2400 mAh battery |
| Screen Size | 7.0 inches, 137.9 cm2 (~68.2% screen-to-body ratio) |
| Resolution | 600 x 1024 pixels, 16:9 ratio (~170 ppi density) |
| OS | Android 6.0 (Marshmallow) |
| Chipset | Mediatek MT8321 (28 nm) |
| CPU | Quad-core 1.3 GHz Cortex-A7 |
| GPU | Mali-400 |
| Card Slot | microSDHC |
| Internal Memory | 8GB 1GB RAM |
| Camera Features | LED flash |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
| Bluetooth | 4.0, A2DP |
| NFC | No |
| Radio | FM radio |
| USB | microUSB 2.0 |
| Sensors | Accelerometer |
| Stand By | Up to 132 h |
| Talk Time | Up to 3 h |
| Colors | Black, Silver, Rose Gold |