Walton Primo EF4 (2016) review
The Walton Primo EF4 (PREF4) smartphone released in 2016. It is powered by Spreadtrum SC7731G chipset, 512 MB of RAM and 8 GB of internal storage.
The Walton Primo EF4 runs on Android OS v6.0 (Marshmallow) out of the box. It comes with a Li-Ion 2300 mAh battery. It features a 5 inches TFT display with 480 x 854 px resolution. A thin-film-transistor (TFT) LCD display is a variant of a liquid-crystal display (LCD).
Table of contents:
Walton Primo EF4 (PREF4) specifications
| Brand | Walton |
|---|---|
| Name | Primo EF4 |
| Type | PREF4 |
| Rating | |
| Launch | 2016 |
Body
| Weight | 155 g |
|---|---|
| Dimensions | 145.09 x 73.28 x 10.35 mm |
| Colors | black white |
| SIM type | Micro SIM |
System
The Walton Primo EF4 runs on Android OS v6.0 (Marshmallow) out of the box, but the Primo EF4's firmware can be upgraded to a newer version of OS.
| OS | Android OS v6.0 (Marshmallow) |
|---|---|
| Chipset | Spreadtrum SC7731G |
| CPU | Quad-core 1.2 GHz Cortex-A7 |
| GPU | Mali-400 MP2 |
| Performance | AnTuTu v9: 22366 |
Display
Screen size is measured in inches, diagonally from corner to corner. The 5 inches TFT capacitive touch screen with 480 x 854 px resolution is multitouch capable.
| Technology | TFT |
|---|---|
| Size | 5 inches |
| Resolution | 480 x 854 px |
| Multitouch | yes |
Memory
The smartphone's memory (512 MB) cannot be expanded, but the storage (8 GB) can be expanded with a microSD card.
| RAM | 512 MB |
|---|---|
| Internal storage | 8 GB |
| External storage | microSD |
Camera
The camera of the Walton Primo EF4 is equipped with autofocus. Autofocus is a camera feature that fine-tunes the focus of the camera, it is a nice feature of this smartphone.
| Front camera | 2 MP |
|---|---|
| Rear camera | 5 MP 2592 x 1944 px autofocus |
| Flash | LED |
Connectivity
This smartphone has a built-in GPS receiver. GPS is a satellite based navigation system that allows the determination of the exact geographical location on Earth. This Walton smartphone has FM radio receiver.
| GSM | 850 / 900 / 1800 / 1900 |
|---|---|
| Mobile network | 2G / 3G |
| WLAN | Wi-Fi 802.11 b/g/n |
| Bluetooth | v4.0, A2DP |
| GPS | A-GPS |
| NFC | no |
| FM radio | yes |
| USB | microUSB 2.0 |
| Audio | 3.5 mm jack |
Battery
The Li-Ion 2300 mAh battery gives the smartphone a good battery backup. This is a low maintenance battery. No periodic discharge is needed and charging can be done at random.
| Type | Li-Ion 2300 mAh |
|---|
Features
The smartphone sensors measure physical quantities and transmit them to the application processor. The phones's accelerometer is a built-in electronic component that measures tilt and motion. The Primo EF4 has Dual SIM capability, which means that you can insert two different SIM cards and use them both from one phone.
| Sensors | accelerometer |
|---|---|
| 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 Walton Primo EF4, then don’t hesitate and signal the problem to us.
Walton Primo EF4 (PREF4) pictures
Walton Primo EF4 (PREF4) comparisons
According to our statistics, the Walton Primo EF4 smartphone was most often compared on our site with the following smartphones.
If there’s information about the Walton Primo EF4 that you would like to see on this site, then write to our webmaster@droidchart.com address.