Modern smartphones are great for entertainment, browsing and gaming. While new models of smartphone are appearing all the time, entering new contracts for them can be expensive, and new models are no longer far superior to older models. So even when your contract ends, you will often find your phone is still up to the task.
sim only contracts are attractive options if you do not wish to renew a traditional phone contract, since you can be offered the same deals as a traditional contract at a far cheaper cost. This will appeal to you if you are happy with your phone from your previous contract.
There is a good chance your current phone will offer you all the entertainment you need, with newer models not offering enough new features to make it worth the price.
If you are too busy to go through the time consuming work of checking individual SIM only deals then there are excellent SIM comparison websites which do the hard work for you. They compare providers, tariffs, monthly minute and text allowances, while giving you reviews on each deal.
SIM only deals are cheaper than normal mobile phone contracts, often giving unlimited text messages and data usage options for smartphones. You also get to keep your existing number, avoiding the annoyances of sending everyone a new number.