| Brand: | Blu |
| Model: | S91 |
| Release Date: | 2022, June 24 |
| Size: | 6.5 inches, 102.0 cm2 (~81.1% screen-to-body ratio) |
| Resolution: | 720 x 1600 pixels, 20:9 ratio (~270 ppi density) |
| Technology: | IPS LCD |
| Main Features: | LED flash, HDR, panorama |
| Main Video: | 1080p@30fps |
| Selfie Specs: | 13 MP |
| Selfie Video: | 1080p@30fps |
| Capacity: | Li-Po 5000 mAh, non-removable |
| Type: | Li-Po |
| Chipset: | MediaTek MT6762G Helio G25 (12 nm) |
| Ram: | 4GB |
| Storage: | 128GB |
| Expandable: | microSDXC |
| Dimensions: | 164.8 x 76.3 x 8.9 mm (6.49 x 3.00 x 0.35 in) |
| Weight: | 202 g (7.13 oz) |
| Wifi: | Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot |
| Bluetooth: | 5.0, A2DP, LE |
| Nfc: | No |
| Usb: | USB Type-C 2.0, USB On-The-Go |
| Headphone Jack: | Yes |
| Network: | GSM / HSPA / LTE |
| Sensors: | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| Colors: | Black, Green |
