| Brand: | Ulefone |
| Model: | Armor 21 |
| Release Date: | 2023, May 30 |
| Size: | 6.58 inches, 104.3 cm2 (~72.6% screen-to-body ratio) |
| Resolution: | 1080 x 2408 pixels, 20:9 ratio (~401 ppi density) |
| Technology: | IPS LCD, 120Hz |
| Main Specs: | 64 MP, f/1.9, (wide), 0.8µm, PDAF, 24 MP, f/1.8, (night vision), 2 infrared night vision lights |
| Main Features: | LED flash, HDR, panorama |
| Main Video: | 4K@30fps, 1080p@30fps |
| Selfie Specs: | 16 MP, f/2.2, (wide), 1.0µm |
| Selfie Video: | 1080p@30fps |
| Capacity: | Li-Po 9600 mAh, non-removable |
| Type: | Li-Po |
| Chipset: | Mediatek MT8781 Helio G99 (6nm) |
| Ram: | 8GB |
| Storage: | 256GB |
| Expandable: | microSDXC (dedicated slot) |
| Dimensions: | 176 x 81.6 x 18.1 mm (6.93 x 3.21 x 0.71 in) |
| Weight: | 400 g (14.11 oz) |
| Wifi: | Wi-Fi 802.11 a/b/g/n/ac, dual-band |
| Bluetooth: | 5.2, A2DP, LE |
| Nfc: | Yes |
| Usb: | USB Type-C 2.0 |
| Headphone Jack: | Yes |
| Network: | GSM / HSPA / LTE |
| Sensors: | Fingerprint (side-mounted), accelerometer, proximity, compass, gyro, barometer |
| Colors: | Black |