vivo Y31

The vivo Y31 is a budget-friendly smartphone that was released in September 2015. It runs on the Android 5.1 (Lollipop) operating system with Funtouch 2.1. The device is powered by a Quad-core 1.3 GHz Cortex-A7 processor and Mediatek MT6580 chipset, along with Mali-400MP2 GPU for smooth performance.

In terms of memory, the vivo Y31 comes with 8 GB of internal storage and 1 GB of RAM. It also has a dedicated microSD slot that supports external memory expansion up to 256 GB. The 4.7-inch IPS LCD display has a resolution of 720 x 1280 pixels, offering vibrant colors and sharp images. The touchscreen is capacitive, providing a responsive touch experience.

The main camera on the vivo Y31 is 8 MP with LED flash and HDR features, capable of capturing decent photos. The selfie camera is 2 MP, suitable for basic self-portraits. The device supports 2G GSM and 3G HSPA networks, along with Wi-Fi, Bluetooth, GPS, FM radio, and microUSB connectivity options.

The vivo Y31 is available in two color options: White and Black. It has a slim and lightweight design, measuring 137.2 x 68.8 x 8.4 mm and weighing 137 grams. The removable 2100 mAh Li-Po battery provides enough power for daily usage.

Pros:
- Affordable price
- Expandable storage
- Decent camera quality
- Slim and lightweight design
- Responsive touchscreen

Cons:
- Outdated operating system
- Limited RAM capacity
- Low battery capacity
- Average performance for multitasking