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Compare Unlimited Data Mobile Phone Deals

Smartphones with unlimited data plans - click through for price comparison and where to buy online

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Minutes Data Phone cost Tariff Contract Effective cost The average theoretical monthly cost after adding in the handset cost and then deducting all available cash back and line rental discount. Doesn't factor in the value of any free gifts. For comparison guidance, hope it helps!
1
Samsung Galaxy S II
5000 textsFREE
Samsung Galaxy S II
900 per month UNLIMITED(fair use policy of 1GB) £79.99 £20/mth 24
months
£23.33/mth Affordable Mobiles logo
Info Text 900, 5000 texts per month
Handset colour Black
Android operating system 3 Mobile
See deal
2
Samsung Galaxy Ace S5830
Unlimitedtexts
Samsung Galaxy Ace S5830
900 per month UNLIMITED(fair use policy of 1GB) FREE £17/mth 24
months
£17/mth Into Mobiles logo
Info Talk 900, unlimited texts
Handset colour Black
Android operating system 3 Mobile
See deal
3
HTC Desire S
Unlimitedtexts
HTC Desire S
500 per month UNLIMITED(fair use policy of 1GB) FREE £18/mth 24
months
£18/mth Into Mobiles logo
Info Text 500, unlimited texts
Handset colour Black
Android operating system 3 Mobile
See deal
4
HTC Sensation XE with Beats Audio
5000 textsFREE
HTC Sensation XE with Beats Audio
500 per month UNLIMITED(fair use policy of 1GB) FREE £24/mth 24
months
£24/mth Affordable Mobiles logo
Info Text 500, 5000 texts per month
Handset colour Black
Android operating system 3 Mobile
See deal
5
HTC Sensation
5000 textsFREE
HTC Sensation
500 per month UNLIMITED(fair use policy of 1GB) FREE £21/mth 24
months
£21/mth Affordable Mobiles logo
Info Text 500, 5000 texts per month
Handset colour Black
Android operating system 3 Mobile
See deal
6
Samsung Galaxy S II
5000 textsFREE
Samsung Galaxy S II
500 per month UNLIMITED(fair use policy of 1GB) FREE £25/mth 24
months
£25/mth Affordable Mobiles logo
Info Text 500, 5000 texts per month
Handset colour White
Android operating system 3 Mobile
See deal
7
Apple iPhone 3GS 8GB
5000 textsFREE
Apple iPhone 3GS 8GB
2000 per month UNLIMITED FREE £25/mth 24
months
£25/mth 3 Direct logo
Info The One Plan, 5000 texts per month
Handset colour Black
IOS operating system 3 Mobile
See deal
8
Apple iPhone 4S 16GB
5000 textsFREE
Apple iPhone 4S 16GB
2000 per month UNLIMITED £99 £35/mth 24
months
£39.13/mth 3 Direct logo
Info The One Plan, 5000 texts per month
Handset colour White
IOS operating system 3 Mobile
See deal
9
Apple iPhone 4S 16GB
5000 textsFREE
Apple iPhone 4S 16GB
500 per month UNLIMITED(fair use policy of 1GB) £49 £35/mth 24
months
£37.04/mth 3 Direct logo
Info Text 500, 5000 texts per month
Handset colour Black
IOS operating system 3 Mobile
See deal
10
Samsung Galaxy S II
3000 textsFREE
Samsung Galaxy S II
600 per month UNLIMITED(fair use policy of 1GB) FREE £28.50/mth 24
months
£28.50/mth Phones4u logo
Info Panther 36, 3000 texts per month
Handset colour Black
Android operating system Orange
See deal
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Unlimited Data Mobile Phone: Buyers' Guide

Smartphones have become much more powerful these days and are capable of supporting data hungry tasks such streaming videos, but to take full advantage of these features, you should opt for an unlimited data mobile phone. This way you can make sure that you do not get a nasty surprise when your next bill comes in.

Back up to price comparison

What is an unlimited data phone and why do you need it?

The latest touch screen mobile phones, like the iPhone or HTC smartphones, have large screens and user friendly mobile browsers. These mobile phones do much more than just making phone calls or sending texts. In addition, the mobile network speeds have also increased significantly, especially on 3G phones. You can now browse the internet on 3G smartphones almost like you would do on a PC. But all this data usage comes at a cost, which is much higher than what you would pay for a fixed line broadband connection.

Most of the cheap tariff plan offers charge you for data depending on your usage. For example, you may be charged 50p for every 25MB of usage. There are two major problems with this structure of data prices, especially for those with a high data usage. Firstly, you will have to constantly keep track of your usage to figure out how much you've already spent in that month. Secondly, when you watch a lot of videos (even small clips can use up more than 25MB) or use other data intensive online applications, like uploading photos to your Flickr account, you can expect to get a big monthly bill.

With an unlimited data smartphone, you do not have to worry about these issues. You can browse on your touch screen phones as much as you like without constantly thinking about how much data you have already used and how much more of it you can afford. There is a fixed additional cost that you will have to pay for your unlimited data smartphone, but this cost will be much lower in comparison with what you have to pay on usage based plans. It is the cheapest and the best mobile data solution that you can get if you have a moderate to high data usage.

Back up to price comparison

Is the data usage really unlimited?

The simple answer is no. Like most fixed line and mobile broadband plans, the data usage on your unlimited data mobile phone will be governed by a fair usage policy. However, fair use limits are usually set quite high and there is very little chance of a typical mobile phone user exceeding the limit.

The exact limit varies from one operator to another and it will be mentioned in the terms and conditions of your plan. Typically, this limit is set at 500 MB or even 1 GB. Almost all UK mobile operators, including 3 Mobile, Vodafone, T-Mobile, O2, and Orange, have plans that allow such high limits of usage, though some may not use the term "unlimited". As you have lots of options in the unlimited smartphone market, make sure that you compare the deals carefully and read up reviews before you buy.

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