| Stairway | Y81 Global Dual SIM TD-LTE |
|---|---|
| Brand | |
| Wiko | Wiko |
| Model | |
| Stairway | Y81 Global Dual SIM TD-LTE |
| Released | |
| 2013 Sep | 2020 Sep |
| Hardware Designer | |
| Wiko Mobile | Wiko Mobile |
| Device Category | |
| Smartphone | Smartphone |
| List of Additional Features | |
|
Corning Gorilla Glass mini-SIM |
N/A |
| Stairway | Y81 Global Dual SIM TD-LTE |
|---|---|
| Width | |
|
73 mm 2.87 inch |
76.1 mm 3 inch |
| Height | |
|
144.5 mm 5.69 inch |
157.9 mm 6.22 inch |
| Depth | |
|
9 mm 0.35 inches |
8.3 mm 0.33 inches |
| Bounding Volume | |
| 94.9 ccm | 99.7 ccm |
| Mass | |
|
164 g 5.78 ounces |
166 g 5.86 ounces |
| Stairway | Y81 Global Dual SIM TD-LTE |
|---|---|
| Platform | |
| Google Android | Google Android |
| Operating System | |
| Google Android 4.2.1 (Jelly Bean) | Google Android 10 Go edition (Q) |
| Stairway | Y81 Global Dual SIM TD-LTE |
|---|---|
| CPU Clock | |
| 1200 MHz | 1800 MHz |
| CPU | |
|
MediaTek MT6589 2,013 32 bit quad-core 32 Kbyte I-Cache 32 Kbyte D-Cache 1024 Kbyte L2 28 nm IMG PowerVR SGX544 GPU |
MediaTek Helio A20 MT6761D 2,019 64 bit quad-core 12 nm IMG PowerVR GE8300 GPU |
| RAM Type | |
|
mobile (LP) DDR2 SDRAM 533 MHz |
mobile (LP) DDR3 SDRAM 1200 MHz |
| RAM Capacity | |
| 1024 MiB RAM | 2048 MiB RAM |
| Non-volatile Memory Type | |
| Flash EEPROM | Flash EEPROM |
| Non-volatile Memory Interface | |
| Yes | eMMC 5.1 |
| Non-volatile Memory Capacity | |
| 15259 MiB non-volatile | 30518 MiB non-volatile |
| Stairway | Y81 Global Dual SIM TD-LTE |
|---|---|
| Display Diagonal | |
|
127 mm 5 inch |
157.48 mm 6.2 inch |
| Resolution | |
|
720x1280 921600 pixels |
720x1520 1094400 pixels |
| Display Width | |
|
62.26 mm 2.45 inch |
67.42 mm 2.65 inch |
| Display Height | |
|
110.69 mm 4.36 inch |
142.32 mm 5.6 inch |
| Horizontal Full Bezel Width | |
| 10.74 mm | 8.68 mm |
| Display Area | |
| 6891.9 square millimeter | 9594.6 square millimeter |
| Display Area Utilization | |
| 65.3% | 79.8% |
| Pixel Size | |
| 0.08648 mm/pixel | 0.09363 mm/pixel |
| Pixel Density | |
| 294 PPI | 271 PPI |
| Display Type | |
| Color IPS TFT LCD display | Color IPS TFT LCD display |
| Display Color Depth | |
| 24 bit/pixel | 24 bit/pixel |
| Number of Display Scales | |
| 16.8M | 16.8M |
| Display Illumination | |
| Yes | Yes |
| Display Light Reflection Mode | |
| Yes | Yes |
| Display Subpixel Scheme | |
| RGB Matrix (3 subpixels) | RGB Matrix (3 subpixels) |
| Scratch Resistant Screen | |
| Corning Gorilla Glass | Yes |
| Graphical Controller | |
| PowerVR SGX544MP | PowerVR GE8300 |
| A/V Out | |
| No | No |
| Stairway | Y81 Global Dual SIM TD-LTE |
|---|---|
| Audio Channel(s) | |
| stereo | stereo |
| Microphone(s) | |
| mono | stereo |
| Loudspeaker(s): | |
| mono | mono |
| Audio Output: | |
| 3.5mm | 3.5mm |
| Stairway | Y81 Global Dual SIM TD-LTE |
|---|---|
| Supported Cellular Bands | |
|
GSM 850MHz (B5) GSM 900MHz (B8) GSM 1800MHz (B3) GSM 1900MHz (PCS, B2) UMTS 2100MHz (Band I, IMT) UMTS 1900MHz (Band II, PCS) UMTS 900MHz (Band VIII) bands |
GSM 850MHz (B5) GSM 900MHz (B8) GSM 1800MHz (B3) GSM 1900MHz (PCS, B2) UMTS 2100MHz (Band I, IMT) UMTS 1900MHz (Band II, PCS) UMTS 850MHz (Band V, CLR) UMTS 900MHz (Band VIII) LTE 2100 MHz (Band 1) LTE 1800 MHz (Band 3) LTE 850 MHz (Band 5) LTE 2600 MHz (Band 7) LTE 900 MHz (Band 8) LTE 800 MHz (Band 20) TD-LTE 2300 MHz (Band XL) bands |
| Supported Cellular Data Links | |
|
GPRS (Class unspecified) EDGE (Class unspecified) UMTS 384 kbps (W-CDMA) HSUPA (Cat. unspecified) HSUPA 5.76 Mbps (Cat. 6) HSDPA (Cat. unspecified) HSPA+ 21.1 Mbps (Cat. 18) HSPA+ 42.2 Mbps (Cat. 20) data links |
GPRS (Class unspecified) GPRS Multi-slot Class 12 EDGE (Class unspecified) EDGE Multi-slot Class 12 UMTS 384 kbps (W-CDMA) HSUPA (Cat. unspecified) HSUPA 5.76 Mbps (Cat. 6) HSDPA (Cat. unspecified) HSDPA 7.2 Mbps (Cat. 8) HSPA+ 21.1 Mbps (Cat. 18) LTE (Cat. unspecified) LTE 100 Mbps / 50 Mbps (Cat. 3) LTE 150 Mbps / 50 Mbps (Cat. 4) data links |
| SIM Card Slot | |
| Mini-SIM (2FF) | Nano-SIM (4FF) |
| Cellular Antenna | |
| Internal antenna | Internal antenna |
| Call Alert Sound | |
| 64-chord melody | 64-chord melody |
| Complementary Phone Services | |
|
Voice transmission Vibrating Alert Speakerphone |
Voice transmission Voice speaker Vibrating Alert Speakerphone ANC HD Voice Voice over LTE (VoLTE) |
| Cellular Controller | |
| MediaTek MT6589 | MediaTek MT6761D |
| SAR (head) | |
| 0.565 W/kg | 0.562 W/kg, EU standard (max. 2 W/kg @ 10g) measurement method, Yes |
| Dual Cellular Network Operation | |
| Dual standby | Dual standby |
| Sec. Supported Cellular Networks: | |
|
GSM 850MHz (B5) GSM 900MHz (B8) GSM 1800MHz (B3) GSM 1900MHz (PCS, B2) |
GSM 850MHz (B5) GSM 900MHz (B8) GSM 1800MHz (B3) GSM 1900MHz (PCS, B2) UMTS 2100MHz (Band I, IMT) UMTS 1900MHz (Band II, PCS) UMTS 850MHz (Band V, CLR) UMTS 900MHz (Band VIII) LTE 2100 MHz (Band 1) LTE 1800 MHz (Band 3) LTE 850 MHz (Band 5) LTE 2600 MHz (Band 7) LTE 900 MHz (Band 8) LTE 800 MHz (Band 20) TD-LTE 2300 MHz (Band XL) |
| Sec. Supported Cellular Data Links: | |
|
GPRS (Class unspecified) EDGE (Class unspecified) |
GPRS (Class unspecified) GPRS Multi-slot Class 12 EDGE (Class unspecified) EDGE Multi-slot Class 12 UMTS 384 kbps (W-CDMA) HSUPA (Cat. unspecified) HSUPA 5.76 Mbps (Cat. 6) HSDPA (Cat. unspecified) HSDPA 7.2 Mbps (Cat. 8) HSPA+ 21.1 Mbps (Cat. 18) LTE (Cat. unspecified) LTE 100 Mbps / 50 Mbps (Cat. 3) LTE 150 Mbps / 50 Mbps (Cat. 4) |
| Sec. SIM Card Slot | |
|
Yes Internal antenna |
Nano-SIM (4FF) Internal antenna |
| Sec. Phone Controller IC: | |
| MediaTek MT6589 | MediaTek MT6761D |
| Stairway | Y81 Global Dual SIM TD-LTE |
|---|---|
| Touchscreen Type | |
| Capacitive multi-touch sensing screen | Capacitive multi-touch sensing screen |
| Touchscreen Simultaneous Touch Points | |
| Yes | Yes |
| Stairway | Y81 Global Dual SIM TD-LTE |
|---|---|
| Expansion Interfaces | |
|
TransFlash microSD microSDHC |
TransFlash microSD microSDHC microSD Extended Capacity |
| USB | |
|
USB 2.0 USB Hi-Speed (480 Mbps) |
USB 2.0 USB Hi-Speed (480 Mbps) |
| USB Services | |
|
USB charging USB Host USB Power Delivery |
USB charging USB Host USB On-The-Go 1.3 USB Power Delivery |
| USB Connector | |
| USB Series Micro-B (Micro-USB) | USB Series Micro-AB |
| Bluetooth | |
|
Bluetooth 4.0 Internal antenna |
Bluetooth 4.2 Internal antenna |
| Bluetooth profiles | |
|
A2DP AVRCP |
A2DP A2DP with aptX codec AVRCP HFP HID HSP MAP OPP PAN |
| Wireless LAN | |
|
IEEE 802.11b IEEE 802.11g IEEE 802.11n Internal antenna |
IEEE 802.11b IEEE 802.11g IEEE 802.11n Internal antenna |
| Wireless Services | |
|
DLNA Wi-Fi Tethering |
N/A |
| Stairway | Y81 Global Dual SIM TD-LTE |
|---|---|
| FM Radio Receiver | |
|
FM radio (88-108 MHz) Proprietary headset as antenna |
FM radio (88-108 MHz) Proprietary headset as antenna |
| Stairway | Y81 Global Dual SIM TD-LTE |
|---|---|
| Supported GPS protocol(s) | |
| GPS (NMEA 0183) | GPS (NMEA 0183) |
| Satellite Antenna: | |
| Internal antenna | Internal antenna |
| Complementary Satellite Services | |
|
Assisted GPS Geotagging QuickGPS |
Simultaneous GPS (S-GPS) Assisted GPS Geotagging QuickGPS |
| Navigation Controller | |
| MediaTek MT6589 | MediaTek MT6761D |
| Stairway | Y81 Global Dual SIM TD-LTE |
|---|---|
| Camera Placement | |
| Rear | Rear |
| Camera Image Sensor | |
| CMOS | CMOS |
| Camera Resolution | |
| 4128x3096 pixel | 4160x3120 pixel |
| Number of effective pixels | |
| 12.8 MP camera | 13.0 MP camera |
| Zoom | |
| 4.0 x optical zoom | 1.0 x optical zoom, 4.0 x digital zoom |
| Focus | |
| Contrast Detection Autofocus (CD AF) | Phase-Detection Autofocus (PD AF) |
| Recordable Image Formats | |
| JPG | JPG |
| Video Recording | |
|
1920x1080 pixel 30 fps |
1920x1080 pixel 30 fps |
| Recordable Video Formats | |
|
3GP MPEG4 |
N/A |
| Flash | |
| single LED | single LED |
| Camera Extra Functions | |
|
Macro mode Smile detection |
Burst mode Touch focus Macro mode Panorama Photo Face detection Smile detection Face retouch |
| Aux. Camera Image Sensor | |
| No | No |
| Aux. 2 Camera Image Sensor | |
| No | No |
| Aux. 3 Camera Image Sensor | |
| No | No |
| Aux. 4 Camera Image Sensor | |
| No | No |
| Aux. 4 Camera Focus | |
| No | No |
| Stairway | Y81 Global Dual SIM TD-LTE |
|---|---|
| Secondary Camera Placement | |
| Front | Front |
| Secondary Camera Sensor | |
| CMOS | CMOS |
| Secondary Camera Resolution | |
| 2592x1944 pixel | 2560x1920 pixel |
| Secondary Camera Number of pixels | |
| 5.0 MP sec. cam | 4.9 MP sec. cam |
| Secondary Recordable Image Formats | |
| JPG | JPG |
| Secondary Video Recording | |
|
1280x720 pixel 30 fps |
1920x1080 pixel 30 fps |
| Secondary Recordable Video Formats | |
|
3GP MPEG4 |
N/A |
| Sec. Aux. Cam. Image Sensor | |
| No | No |
| Sec. Aux. 2 Cam. Image Sensor | |
| No | No |
| Stairway | Y81 Global Dual SIM TD-LTE |
|---|---|
| Built-in compass | |
| Yes | Yes |
| Built-in accelerometer | |
| Yes | Yes |
| Additional sensors | |
|
Light intensity sensor Proximity sensor |
Light intensity sensor Proximity sensor |
| Stairway | Y81 Global Dual SIM TD-LTE |
|---|---|
| Protection from solid materials | |
| Yes | Yes |
| Protection from liquids | |
| Yes | Yes |
| Stairway | Y81 Global Dual SIM TD-LTE |
|---|---|
| Battery | |
|
Lithium-ion polymer (LiPo) removable 1-cell |
Lithium-ion built-in 1-cell |
| Nominal Cell Capacity (1st cell) | |
| 2000 mAh cell | 4000 mAh cell |
| Nominal Battery Capacity | |
| 2000 mAh battery | 4000 mAh battery |