Product Listing

Xiaomi Redmi - A Budget Phone with Endless Customization

By Sidney Wong - 19 Feb 2014
Launch SRP: S$169

Overview, Design and Features


Xiaomi is a four-year-old phone maker from China and its smartphones are immensely popular among consumers in China, Hong Kong and Taiwan. The company regularly organizes "flash sales" of its smartphones directly on its website or though partnerships with social networking sites/apps, where batches of 10,000 to 300,000 units are usually snapped up in minutes

The company may not be known outside of China yet, but it made international headlines last year when it hired Hugo Barra to be in charge of its global expansion. Barra was the vice president of product development for Android at Google. This year, Xiaomi is making Singapore its first international stop where it will begin selling the Redmi smartphone and its accessories on its website from 21 February. The three telcos are also in discussion with the company to sell its phones.

In a market dominated by Apple iPhones and Samsung Galaxy smartphones, does Xiaomi stand a chance with the Redmi? Well, let's find out in this review.

The Xiaomi Redmi retails for S$169, which is arguably the best value Android smartphone you can get now. What about its performance?  

Design, Handling and Features

The Redmi looks like the typical Android smartphone with a rectangular design and rounded corners. Like the Motorola Moto G, the Redmi is built using two different plastic finishing- glossy and matte. The glossy material is used for the edges of the phone while the matte finish is actually on the removable back cover.

It's a wise decision on Xiaomi's part to use a matte material for the back cover since it helps in the handling of the Redmi and fingerprints/smudges do not look as obvious. There is a slit at the bottom right corner of the device where you can use your finger to pry open the back cover. Once the back cover is off, you will see three slots above the removable battery.

You won't require much strength to pry open the back cover from the bottom of the Redmi.

The first slot on the left is the microSD memory card slot which supports up to 32GB memory cards. The next two slots are the normal sized SIM card slots. Yes, this inexpensive Xiaomi Redmi is a dual-SIM smartphone. While both card slots accept SIM cards with data connectivity, only the left slot supports 3G mobile data while the right slot is rated for 2G data connectivity. According to Barra, this setup is designed for power efficiency since it's unlikely someone requires both SIM cards with high speed data connectivity. Often the secondary SIM card is relegated to making calls and as such, this design choice makes sense - more so for a phone of its price point.

The Redmi supports dual-standby, which means both SIM cards can receive calls and text messages at the same time. This dual-standby feature marginally consumes more power than if it only supports one SIM card at any point in time. Fortunately, the clever data connectivity speeds set for the left and right SIM cards as mentioned above, do help balance out power requirements. Note however that unlike more modern devices that use micro and nano sized SIM cards, that Redmi only accepts the traditional sized SIM cards for maximum compatibility no matter the market and geography. It's much easier to use an adapter to size-up the SIM card rather than having access to a cutting tool should you get a standard sized SIM card from emerging markets.

There are two other well known value oriented dual-SIM smartphones in the market - the Moto G and HTC Desire 600. The Moto G supports micro-SIM cards, dual-standby and 3G mobile data for both slots. The Desire 600 also supports micro-SIM cards and dual-standby, but its SIM card slot 1 supports 3G speeds while the SIM card slot 2 supports 2G speeds.

The Redmi uses normal-sized SIM cards. The left slot (white SIM) supports 3G while the right slot (blue SIM) only supports 2G. Oh, did we mention that the battery is removable too?

When it comes to button placement, Xiaomi seems to follow in the footsteps of Nokia Lumia devices where the volume controls are located above the power button. The Moto G arranges the same buttons in an opposite direction (power button above the volume controls) while some other Android devices such as the LG Nexus 5 and Samsung Galaxy S4 Mini have the power button on the right side and the volume controls on the other side. This may initially cause a little confusion, but consumers should be able to get used to the layout after a while.

Like most Android smartphones, the Redmi uses the standard three capacitive navigation buttons. The phone will appeal to right-handed users as the back button is located on the right side. Considering that the Redmi isn't very big to begin with, left-handed users should have no problem stretching their left thumb across to reach for the back button.

It's odd that that there is no backlight for the buttons. This means that you probably need to rely on familiarity of the layout if you are using the Redmi in a poorly lit environment or in the dark. There is a small LED notification below the home button where you set it to light up in any of the 7 colors (blue, red, yellow, green, cyan, white and violet) for notifications, calls and messages.

We find the LED notification to be a little too small for our liking.

Xiaomi and other Android vendors should consider adopting LG's strategy of allowing users to customize the layout of the navigation buttons on the G2 and G Flex. However, they first have to ditch the concept of physical, capacitive buttons before embarking on this. Nonetheless, the lack of customized button layout is hardly a deal breaker as it depends on individual preferences.

When we held the Redmi in our hands for the first time, we were taken aback by the heft of the device. Weighing at 158g, the Redmi is heavier than most phones of its class. For example, the 4.5-inch Moto G weighs 143g while the 4.7-inch Lumia 625 weighs a tad heavier at 159g. Depending on how you see it, the Redmi can come across as giving a solid feel in the hands or being a little too dense for its size.. 


4.7-inch IPS Display

The Redmi comes with a 4.7-inch HD (1,280 x 720 pixels) display which is reinforced with Gorilla Glass 2. At this screen size, the Redmi has a pixel density of 312ppi. Here's a quick comparison of the screen size, display resolution and pixel density from the competition:

Phone Pixel Density Comparison
  Xiaomi Redmi HTC Desire 601 LG Optimus F5 Motorola Moto G Nokia Lumia 625 Samsung Galaxy S4 Mini Sony Xperia SP
Display Size
4.7 4.5 4.3 4.5 4.7 4.3 4.6
Display Resolution
1,280 x 720 960 x 540 960 x 540 1,280 x
800 x 480 960 x 540 1,280 x 720
Pixel Density
312 245 256 329 199 256 319

Although it didn't top the charts, the display of the Redmi is still splendid. Colors are bright with images and text appearing sharp. The bezel is a little thick, and we wonder if Xiaomi could have made use of the extra bezel to fit a bigger display. 

Sharp and bright, there is really nothing more you can ask of the display and it should easily please most consumers.



Xiaomi is offering a range of accessories for you to purchase at launch. They include a spare battery, battery charger, clear/matte screen protector, and soft gel protective case in five colors (yellow, black, rose, white and blue).

There is also an accessories bundle consisting of a clear or matte screen protector, a spare battery, a battery charger and a colored protective case of your choice, which costs just S$28.00. Here's a breakdown of the retail prices of the various accessories which are very affordable in our opinion:

  • spare battery - S$9.99
  • battery charger -S$9.99
  • screen protector (matte or clear) - S$4.99
  • protective case - S$8.99

 Apart from the removable back covers (in pink and red), the soft gel protective cases are available for purchase from its website this Friday.

Due to its lightweight and compact form factor, it is very convenient to bring the battery charger along. For convenience, it also charges via a micro-USB cable.

Understanding MIUI

According to Barra, MIUI started as a pure software effort at Xiaomi to build an alternative ROM for Android. So, what is an Android ROM? ROM, also known as Read-Only Memory), is a firmware containing the operating system (OS) and basic applications to make a device work. To put this into context, let's use Apple iOS and Google Android as examples.

Apple controls the development of its ROMs for the iPhones and iPads, and it usually updates the ROM several times in a year to fix bugs and improve performance. On the other hand, Google Android is an open source platform where developers are free to develop custom ROMs based on the source code. This is why you see Android vendors coming up with different ROMS such as HTC Sense, Samsung TouchWiz and LG UX.

MIUI is one of the most popular Android ROMs in the world; the current MIUI V5 is based on Android 4.2.2 Jelly Bean and is used by over 35 million users worldwide. Xiaomi has added a lot of features to the framework, system interface and done a lot of work at the application level, which allows advanced users to have maximum control over their devices.

At this juncture, some of you may start to wonder what is the difference between customized Android ROMs and a third party launcher with themes. As mentioned earlier, the ROM encompasses everything from the OS to the apps to the services on a device. A third party launcher is basically an app that you can download from the Play Store to change the general look and feel of the device, but it usually has limits to the level of attention and detail that can be applied.

There are a handful of popular third party launchers such as Nova, GO Launcher EX, Apex and Buzz where you can change the looks of the icons, folders and the overall theme of your interface. There is even a launcher developed by Xiaomi for other Android users to try. It is called Mi Launcher and supports devices running Android 2.3 and above.

You can load a Sense ROM onto a Nexus device to give it the looks of a HTC phone. In addition, you will have the exclusive features of HTC Sense such as BlinkFeed. However, running a third party launcher on the Nexus device only allows you to customize its looks to be that of a HTC or Samsung phone and even an iPhone. Beyond the cosmetic modifications, it is still a Nexus device running a stock ROM. The device will not gain extra features such as Smart Stay and Multi-Window in the case of a Samsung TouchWiz ROM.

To get a good sense of the difference between a native custom ROM implementation and that allowed by a launcher app, we loaded some themes on the Redmi device and compared it to that of a Samsung Galaxy Note 3 running the Mi Launcher with the same theme:-

Xiaomi Redmi with the Coca Cola theme. Samsung Galaxy Note 3 running on the MIUI Home launcher with Coca Cola theme.
The home screen on the Xiaomi Redmi with the Coca Cola theme. The home screen of the Samsung Galaxy Note 3 with MIUI launcher running on Coca Cola theme.
Notice how the design of the quick settings panel takes on the Coca Cola theme. The pull-down notification panel on the Samsung Galaxy Note 3 reveals its true colors.

Xiaomi claims that there are over 200 features or functions in MIUI V5, and more features will be added in the near future. Its software engineers are encouraged to interact with MIUI users in forums to gather feedback. Based on the feedback, MIUI will incorporate the most requested or useful features into the next software update which is released every Friday.

We were told by Barra that the weekly updates are for "beta users" who need to opt-in. These users form about 10% of the MIUI community and they decide when a particular firmware is ready for release to the masses. Normal consumers are automatically opted into the "Release" track where they will receive system updates every one to two months.  

In our next page, we will explore the top five features of MIUI V5 which we think you will find useful on the Redmi. More features of MIUI will be discussed in a future article.

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  • Design 7.5
  • Features 9
  • User-Friendliness 8
  • Performance 8
  • Value 9
The Good
Great value for money
Good image quality
MIUI offers endless customization options
Memory card slot
The Bad
Battery performance could be better
Sluggish performance at times
Phone gets bogged down in advanced themes
MIUI can be overwhelming; takes time to fully absorb its capabilities
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