| Local Name | Redmi Y1 (Note 5A) |
| Additional Information | Versions: Redmi Y1 (India); Redmi Note 5A (Global); Redmi Note 5A Prime (China, Malaysia) |
| Technology | GSM / HSPA / LTE |
| 4G Bands | LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300) |
| 3G Bands | HSDPA 850 / 900 / 1900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Speed | HSPA, LTE |
| GPRS | Yes |
| EDGE | Yes |
| Announced | 2017, November |
| Status | Available. Released 2017, November |
| Dimensions | 153 x 76.2 x 7.7 mm (6.02 x 3.00 x 0.30 in) |
| Weight | 153 g (5.40 oz) |
| Build | Aluminum frame, plastic back |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Display Type | IPS LCD capacitive touchscreen, 16M colors |
| Screen Size | 5.5 inches, 83.4 cm2 (~71.5% screen-to-body ratio) |
| Resolution | 720 x 1280 pixels, 16:9 ratio (~267 ppi density) |
| Protection | Corning Gorilla Glass 3 |
| OS | Android 7.1.2 (Nougat); MIUI 10 |
| Chipset | Qualcomm MSM8940 Snapdragon 435 (28 nm) |
| CPU | Octa-core 1.4 GHz Cortex-A53 |
| GPU | Adreno 505 |
| Card Slot | microSD, up to 256 GB (dedicated slot) |
| Internal Memory | 64 GB, 4 GB RAM or 32 GB, 3 GB RAM |
| Camera Features | LED flash, HDR, panorama |
| Video | 1080p@30fps |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| Sound | Active noise cancellation with dedicated mic |
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Bluetooth | 4.2, A2DP, LE |
| GPS | Yes, with A-GPS, GLONASS, BDS |
| Infrared Port | Yes |
| Radio | FM radio |
| USB | microUSB 2.0 |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| Battery | Non-removable Li-Ion 3080 mAh battery |
| Stand By | Up to 240 h (3G) |
| Talk Time | Up to 32 h (3G) |
| Music Play | Up to 75 h |
| Colors | Gold, Dark Grey, Silver, Rose Gold |
