Karbonn announced the launch of the Alfa A91 Champ smartphone in 2017. The manufacturer is offering the Karbonn Alfa A91 Champ phone with 4 inches display, Mediatek MT6582 chipset, 512 MB of RAM and 4 GB of internal storage.
The Karbonn Alfa A91 Champ comes with Android OS v6.0 (Marshmallow) out of the box, and a Li-Ion 1400 mAh battery. The 4 inches phone comes with a TFT display (480 x 800 px).
Karbonn Alfa A91 Champ specifications
| Brand | Karbonn |
|---|---|
| Name | Alfa A91 Champ |
| Model | A91 |
| Release date | 2017 |
Body
The weight of Karbonn Alfa A91 Champ is about 3.95 oz with battery, which is average compared to most of the smartphones with same size. The dimensions of this Karbonn phone are average (5 x 2.54 x 0.42 inches).
| Weight | 3.95 oz |
|---|---|
| Dimensions | 5 x 2.54 x 0.42 inches |
| Colors | black, champagne, coffee |
| SIM type | Micro SIM |
System
The Karbonn Alfa A91 Champ comes with Android OS v6.0 (Marshmallow) out of the box, but it is upgradable to the next OS. Android is a mobile operating system developed by Google based on a modified version of the Linux kernel and other open-source software.
| OS version | Android OS v6.0 (Marshmallow) |
|---|---|
| SoC | Mediatek MT6582 |
| CPU | Quad-core 1.2 GHz Cortex-A7 |
| GPU | Mali-450 MP2 |
Display
The size of Alfa A91 Champ screen is measured diagonally, from corner to corner. The 4 inches phone comes with TFT display. A thin-film transistor (TFT) is a type of field-effect transistor that is usually used in a liquid crystal display (LCD). This type of display features a thin-film transistor for each individual pixel. The 4 inches TFT display of Karbonn Alfa A91 Champ with 480 x 800 px resolution is multitouch capable.
| Display type | TFT |
|---|---|
| Screen size | 4 inches |
| Resolution | 480 x 800 px |
| Multitouch support | yes |
Memory
The internal memory of Karbonn Alfa A91 Champ (512 MB) cannot be expanded, but the internal storage (4 GB) can be expanded with a compatible microSD card.
| RAM | 512 MB |
|---|---|
| Internal storage | 4 GB |
| Memory card slot | microSD |
Camera
The camera of the Alfa A91 Champ is equipped with autofocus. An autofocus (or AF) optical system uses a sensor, a control system and a motor to focus on an automatically or manually selected point or area. Very few Android cameras come without autofocus.
| Selfie camera | VGA |
|---|---|
| Main camera | 2 MP, 1600 x 1200 px, autofocus |
| Flash | LED |
Connectivity
The Karbonn Alfa A91 Champ supports 2G and 3G networks only. 3G is obsolete now, because most phones can use 4G and 5G networks. This phone has a built-in GPS. GPS is a highly accurate navigation system using signals from satellites to determine a location on the Earth's surface, irrespective of weather conditions. Most phones have a GPS unit on board. The Alfa A91 Champ phone has built-in FM radio. The built-in FM Radio is great for listening to your favorite radio station.
| GSM 2G bands | 900 / 1800 |
|---|---|
| Network coverage | 2G / 3G |
| Wi-Fi | Wi-Fi 802.11 b/g/n |
| Bluetooth | v4.0, A2DP |
| GPS | A-GPS |
| NFC | no |
| FM radio | yes |
| USB | microUSB 2.0 |
| Headphone | 3.5 mm jack |
Battery
The Li-Ion 1400 mAh battery gives the smartphone a good battery backup. The Li-ion is a low maintenance battery which offers high energy, is lightweight and does not require periodic full discharge. The battery of Alfa A91 Champ is removable. You can simply buy a new piece from the open market and interchange it easily by yourself.
| Type | Li-Ion 1400 mAh |
|---|
Features
Smartphones today come with a wealth of sensors to facilitate a better user experience. The accelerometer is a sensor that measures the tilting motion and orientation of the phone. This Karbonn phones come with proximity sensor. This proximity sensor detects how close the phone is to an outside object, such as your ear. The Dual SIM capability of Karbonn Alfa A91 Champ phone is ideal for businesses wishing to provide staff with a mobile device that can offer separate numbers and bills for both personal and business use. This smartphone doesn't support fast charging technology.
| Sensors | accelerometer, light, proximity |
|---|---|
| Specials | Dual SIM |
The specifications above are based on the official data published by the manufacturer, but we also take user reviews into consideration. If you found an error or something lacking in the specifications above for the Karbonn Alfa A91 Champ, then don’t hesitate and signal the problem to us.
Karbonn Alfa A91 Champ pictures
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