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Why pay monthly on SIM only?

  • Great for saving money on your monthly bill
  • Perfect if you're happy with your current phone or tablet and are waiting for the next big smartphone
  • Loads of choice with our wide range of networks, plus you'll still get all the network benefits

What SIM size do I need?

There are four different SIM types. You'll need to get the correct SIM for your phone, or it won't fit in the phone's SIM card slot.

Standard SIMMicro SIM
Another very common SIM size that's used in lots of older smartphones and most feature phones like the Samsung Galaxy Ace, Nokia Asha phones and older BlackBerry phones. This is the second smallest SIM, and is the most common one used in smartphones. iPhone 4 and 4S, Sony Xperia™ Z1, Samsung Galaxy S5 and S4 all use this size.
Nano SIMBlackBerry® SIM
A nano SIM is the smallest SIM card and is used in phones like iPhone 5s, 5c and 5, HTC One (M8) and the Nokia Lumia 1520. This is the same as a standard SIM but gives older BlackBerry® devices access to BlackBerry services. This is not needed for new BlackBerry phones running BlackBerry 10 OS such as the BlackBerry® Q10.

Effective monthly cost

The Effective monthly cost helps you to compare the total amount you'll pay for different deals, including those with an upfront cost, cashback, or bill credits, helping you find the best value deal.

The Effective monthly cost is NOT the amount that will be taken from your bank account by direct debit every month (this is the 'Monthly cost').

Included in the Effective monthly cost figure is:

  • The total line rental cost over the life of the contract (Monthly cost multiplied by the length of the contract in months)
  • Any cashback promotions or bill credits that will be received through the duration of the contract (if applicable)

Networks may increase Monthly price in line with Retail Price Index (RPI).

Our best Pay monthly SIM only plans

 NetworkContract lengthUK MinutesUK TextsUK DataGifts / offerMonthly costEffective monthly cost Effective monthly costChoose your SIM Choose your SIM
UK's Lowest O2 12 months 1000 any network Unlimited 1GB 4G £72 auto cashback £16 £10
UK's Lowest T-Mobile 12 months 250 any network 500 500MB £20 auto cashback £8.99 £7.33
Bestselling Vodafone 12 months 300 any network 500 250MB £15 auto cashback £9 £7.75
UK's Lowest EE 12 months 1000 any network 500 250MB 4G £12 auto cashback £11.99 £10.99
  T-Mobile 12 months 2000 any network Unlimited Unlimited £68.97 auto cashback £22.99 £17.25

* Comparison made on a like-for-like basis. Excludes cashback via redemption and other promotional offers

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© Carphone Warehouse Group PLC 2014