The Xiaomi Mi 1S (codename: mioneplus) is an Android smartphone developed by Xiaomi, which is an improved version of the Xiaomi Mi 1 smartphone. It was introduced in August 2012.

The screen is made of glass, and the body is made of plastic.

Externally, the smartphone is similar to Xiaomi Mi 1.

At the bottom there is a microUSB connector and a microphone. At the top there is a 3.5 mm audio jack and a smartphone lock button. On the right side there are volume buttons and a camera launch button. The speaker and the second microphone are located on the back panel, which can be removed. Slots for SIM cards and a MicroSD memory card up to 32 GB are located under the body.

The Xiaomi Mi 1S was sold in seven colors: Gray, White, Red, Blue, Green, Purple and Orange. Also, the back panel could be changed to a panel of a different color.

The smartphone received a Qualcomm MSM8660 Snapdragon S3 processor (2 × 1.7 GHz Scorpion) and a Adreno 220 graphics processor.

The battery received a capacity of 1930 mAh. It is also possible to replace it.^[1]

The smartphone received an 8 MP main camera, f/2.2 with autofocus and the ability to record video with a resolution of 1080p@30fps. The front camera received a resolution of 2 MP and the ability to record video in 720p@30fps.^[2]

The display has a TFT LCD screen, 4.0", 854 × 480, with an aspect ratio of 16:9 and a pixel density of 245 ppi.

The smartphone was sold in a 1/4 GB configuration.

Mi 1S was released on MIUI V2, which was based on 2.3.6 Gingerbread. It was updated to MIUI V5 based on Android 4.1.2 Jelly Bean.

• Xiaomi
• MIUI