A 20GB data plan will allow you to browse the internet for around 240 hours, to stream 4,000 songs or lớn watch 40 hours of standard-definition video.

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Nowadays, the key difference between di động phone price plans is how many gigabytes of data it comes with.

If you"re looking for a điện thoại phone plan with 20GB of data, prices currently start from £8/month in the UK. With your 20GB of data, you"ll be able khổng lồ browse the internet for approximately 240 hours per month, khổng lồ stream 4,000 songs online or lớn watch 40 hours of online video clip in standard definition.

In this article, we"ll discuss what you can vị with 20GB of data & how long you can expect your 20GB allowance to last for. We"ll also discuss 20GB data plans, where you can find one in the UK and how much you can expect lớn pay.


1 How Much Is 20GB Data?

How Much Is 20GB Data?

In the UK, a number of mobile networks currently offer 20GB data plans. There"s a choice of 6 mobile networks if you"re looking for a Pay Monthly SIM card, & a further choice of 5 networks if you"re looking for a more flexible Pay As You Go bundle.

Pay Monthly SIM Cards

If you"re looking for the lowest possible prices, you can get a Pay Monthly SIM card with 20GB of data from £8.00/month. The following table shows a các mục of currently available deals:

UnlimitedUnlimited20GB£8.0012 months
UnlimitedUnlimited20GB£8.001 month
UnlimitedUnlimited20GB£8.0012 months
UnlimitedUnlimited20GB£8.0012 months
UnlimitedUnlimited20GB£8.0024 months
UnlimitedUnlimited20GB£12.001 month
UnlimitedUnlimited20GB£15.0024 months
UnlimitedUnlimited20GB£18.001 month
UnlimitedUnlimited20GB£18.0012 months
UnlimitedUnlimited20GB£21.0012 months
UnlimitedUnlimited20GB£26.001 month
UnlimitedUnlimited20GB£33.001 month
To show you the most relevant plans, 6 similar but more expensive plans have been hidden. Tap here to show them.

Contract lengths will vary when taking a Pay Monthly contract. You"ll normally need lớn undergo a credit check when taking out a Pay Monthly contract.

Pay As You Go SIM Cards

If you"re looking for a bit of extra flexibility, a Pay As You Go bundle allows you lớn have this with 20GB of data from £10.00/month. There"s no commitment to renewing your bundle every month. You can also increase or decrease your data allowance at the over of each month if you find you"re on a plan with the wrong amount of data.

The following table shows Pay As You Go bundles with 20GB of data per month:

There"s no need to lớn undergo a credit check when taking a Pay As You Go bundle. It"s normally possible to lớn order a không lấy phí Pay As You Go SIM card: you"ll then simply need to top it up with credit lớn get started.


Instead of choosing a 20GB data plan, it may sometimes make sense to lớn choose a plan with more data. This is especially the case when special offers và promotion are available: you might be able to lớn get a larger allowance of data for the same or for a very similar price:

Amount of DataPay MonthlyPay As You Go
250MB Data-£5.00 £5 cheaper
500MB Data--
1GB Data£5.00 £3 cheaper£3.00 £7 cheaper
2GB Data£5.00 £3 cheaper£7.50 £2.5 cheaper
3GB Data£4.50 £3.5 cheaper£5.00 £5 cheaper
4GB Data£4.95 £3 cheaper£6.00 £4 cheaper
5GB Data£6.00 £2 cheaper£7.00 £3 cheaper
6GB Data£5.95 £2 cheaper£1.00 £9 cheaper
8GB Data£7.00 £1 cheaper-
10GB Data£7.00 £1 cheaper£10.00
12GB Data£6.95 £1 cheaper£10.00
20GB Data£8.00£10.00
30GB Data£7.95 £0 cheaper£15.00 £5 more
40GB Data£10.00 £2 more£20.00 £10 more
50GB Data£9.95 £2 more£15.00 £5 more
100GB Data£11.95 £4 more£19.88 £10 more
Unlimited Data£15.00 £7 more£15.00 £5 more

Some price plans include a data rollover feature giving you a second opportunity to use your data allowance. Alternatively, an unlimited data plan could also be worth thinking about if you"d like a worry-free plan where you never need lớn think about how much data you"re using.

How Long Does 20GB Of Data Last?

When figuring out how much data you need, it"s important lớn think about your own individual usage requirements.

If you choose a plan with too much data, you could be overpaying for lots of data that you don"t actually use. On the other hand, choosing a plan with too little data could mean being cut-off from the internet in the middle of the month.

The following table gives you an approximate guide khổng lồ what you can bởi vì with 20GB of data:

Activity20GB data is equal to...
Accessing website pages12,000 website pages (approx 240 hours browsing)
Basic e-mail/instant message7,000,000 messages
Rich e-mail/IM (with attachments)40,000 messages
Downloading or streaming music4,000 songs
Downloading or streaming video clip (SD)40 hours
Downloading or streaming đoạn phim (HD)10 hours
Skype voice call600 hours
Skype đoạn clip call80 hours
Listening to lớn online radio320 hours
Downloading or updating apps500 apps

We"ve made a number of assumptions in coming lớn these numbers. You can read about these in more detail here.

As of 2019, the average UK consumer uses around 3GB of mobile data each month. This has been growing rapidly in the past few years (e.g. It was only 1.9GB in 2017 và 0.2GB in 2012). This means a 20GB data allowance is much more than the average consumer can use. It"s worth double-checking khổng lồ make sure you actually need all of this data, as you could otherwise kết thúc up paying for lots of data that you don"t actually use.

For more information, see our guide on how lớn find out your current data usage.

More Information

Our full guide to mobile download limits has more information including on how to find out how much data you need.

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Once you"ve decided how much data you need, we"ve summarised the best Pay Monthly and Pay As You Go SIM cards across a variety of price points in the UK.