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Microsoft Lumia 550 8GB Black

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Recommended deal on O2
  • 2GB
  • Unlimited
  • Unlimited
  • Free

Out of Stock
£26.00 Per month / 2 years

Currently out of stock. See below for alternative handsets available now on next-day delivery.

Everything you need to know about the Microsoft Lumia 550

Why choose the Microsoft Lumia 550?

Microsoft's Lumia 550 is an affordable smartphone, but don't be fooled by its small price tag. Inside, you'll find a whole range of brilliant features that wouldn't be out of place in a premium device. With a sharp HD screen, powerful core and Windows 10 installed, the Lumia 550 is a fantastic piece of tech.


Microsoft Lumia 550 design

Microsoft's Lumia 550 has a sleek, angular design that's not dissimilar to the most expensive Lumia devices. Measuring 5.36 x 2.67 x 0.39 inches and hosting a crystal-clear, 4.7-inch HD display, the capacitive touchscreen offers plenty of space to browse the web, view photos and read eBooks.

With a 315ppi pixel density, the HD screen is sharp, vivid and full of detail.

Tech specs

You'll find Microsoft's Windows 10 operating system inside the Lumia 550, boasting many of the same well-loved features found on the PC version. The two synchronise exceptionally well, with OneDrive and Microsoft Office coming pre-installed.

Under the hood, the Lumia 550 houses a Qualcomm MSM8909 Snapdragon 210 chipset, a speedy quad-core 1.1GHz Cortex-A7 processor and 1GB of RAM. Together, the trio help the handset to run quickly and efficiently. You'll find 8GB of internal storage inside too, with the potential to upgrade to 200GB.

The removable Li-ion 2100 mAh battery promises up to 14 hours on talk time on 3G, or 60 hours of music play. Turning on battery saver mode can help your battery last even longer.

Microsoft Lumia 550 tech specs


Microsoft Lumia 550 camera

With a 5MP rear camera and a 2MP front camera, take beautiful shots anywhere with the Lumia 550. With autofocus and an LED flash, you'll never miss a moment even in the darkest settings. For selfie lovers, the front-facing camera promises Instagram-ready snaps instantly, and it's perfect for Skype - whether you're using it to chat with friends, family or colleagues.

Spreading your photos across multiple devices is simple with OneDrive. Use them instantly on other Windows devices and print, send and share them with anybody.

Stand-out features

Microsoft Office: Keep on top of projects and edit your work on the go with Microsoft Office for Lumia. Already installed on the handset, anyone can access documents and create PowerPoints anywhere. It's perfect for burning time on the commute to work.

Cortana:Meet Cortana, your personal assistant that's designed to make using your phone even easier. To activate, simply say "hey, Cortana", and you can then send texts, search the web and even manage your calendar without pressing a button.

Microsoft Office

Round up

For those who want a slice of Microsoft's Lumia range for a fantastic price, the affordable yet powerful Lumia 550 is an excellent choice. Reliable, stylish and easy to use, this is a handset not to be missed.

Full Technical Specifications


Bluetooth - GPS - Wi Fi - Micro SD card slot - - microUSB - LTE / 4G

Display & User Interface

Accelerometer sensor for auto-rotate - 16M colours - Multi-Touch input

Camera Features

Video Camera - 5.0-megapixel camera - Autofocus - Geo-tagging - LED flash - Tap to focus -


MMS - SMS - Predictive Text - Email - Instant Messaging - Push Email - Threaded SMS


Dimensions - 136.1 x 67.8 x 9.9 mm (5.36 x 2.67 x 0.39 in) - Weight - 141.9 (5.01 oz) - Talk Time - Up to 16 h (2G) / Up to 14 h (3G) - Display Size - 4.7 inches - Standby Time - Up to 672 h (2G) / Up to 672 h (3G) - Battery Size - 2100mAh

Music Features

MP3 Player - FM Radio


Cortana digital assistant

Standard Features

Vibrate - Games - Speaker phone - Calculator - Video Player - Clock


Internal Memory - 8GB - Expandable memory - microSD, up to 200 GB

Key Features

Windows 10 - Cortana - Microsoft Office - 4.7 inch HD display - 5 megapixel camera - 4G Ready

Operating System

Windows 10 OS

Product Reviews

We want to give our customers real advice from real customers. Highlighting the good as well as the not so good points. Our customers are kind enough to take a few minutes out of their busy day to share their experience and opinions of their new smartphone, helping new customers make the right choice for them.

9 Reviews
3.2/5 Customer Rating
Battery Life
Quality of device
Value for money

No sim card included in box! Very poor customer service and ended up in shop getting them to sort this.
Reviewed 2 years ago

Im really disappointed I didn't want a Windows phone but got told I could put Pokémon snap chat the lot on it and nit have any problems well guess what u xant and when u ring to exchange they won't do that
Reviewed 2 years ago

My phone arrived without a sim card which I had to buy. It has never worked. The phone has been locked and I cannot recall the required pin no. All my E Mails have been rejected
I have made 3 phone calls and been given a U K code --but there is nowhere to enter it.
I understand that Carphone... read more
Reviewed 2 years ago

Moving from Android to this Windows 10 phone, my main complaint is the lack of flexibility in setting it up. For example, why does everything have to have one theme colour? I used to like my nice yellow icon showing a text received, and blue and yellow backgrounds for sent and received messages. But... read more
Reviewed 2 years ago

Really pleased with this phone ,thought it might be to complicate for me but it isn't at all and it has everything I need ,so pleased I went for this particular model ,my neighbour asked me if I thought it was a good phone as he his thinking of upgrading his and I have said I would recommend it... read more
Reviewed 2 years ago

This phone is ok but could be easier to use in a number of areas. However it was the cheapest deal so it's only fair to expect to make some compromises.
Reviewed 2 years ago

I am more than pleased with my Lumia 550 I was already the owner of a Lumia 520, and I was really surprised with the extra gadgets that comes with the upgrade and everything is so easy and self explanatory brilliant anyone thinking of getting one of these then go ahead you won't be disappointed... read more
Reviewed 3 years ago

Adding telephone numbers to contact list I have found harder to do than a Iphone.
Sometimes go back option is hard to manage
Reviewed 3 years ago

Good hanset but basically as soon as you receive it, you can't return it. So be sure of what you want and need as you can't return it if you've turned it on.
Reviewed 3 years ago