SIM Only Guides & Advice

In-depth information to make you a smarter shopper.

We spend hours searching, trialling and testing – then make these guides so that you don’t have to.

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How many versions of Android are there?

How many versions of Android are there?

On: Thursday, 30 January, 2020
One of the criticisms often levelled against the Android smartphone operating system is that it’s merely a copy of Apple’s iOS. And to an extent, that’s true. The iPhone and its accompanying App Store were launched in 2007, but Androi...
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What are Less Secure Apps?

What are Less Secure Apps?

On: Sunday, 26 January, 2020
We rarely stop to think about the functionality underpinning the apps we use on a daily basis. Whether you’re addicted to Rightmove, constantly checking BBC Sport or a religious user of Spotify, your smartphone is probably home to dozens ...
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How do Apple CarPlay and Android Auto work?

How do Apple CarPlay and Android Auto work?

On: Friday, 17 January, 2020
In-car entertainment has evolved immeasurably over the decades. In the 1980s, buyers of a new car were lucky to get a radio – and only high-end models got stereo sound. Similarly, in the 1990s, a CD player represented the height of sophis...
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Useful maintenance tips for Android handsets

Useful maintenance tips for Android handsets

On: Thursday, 26 December, 2019
Any electronic device will slow down and perform less effectively as it gets older. Unfortunately, smartphones are no exception. Indeed, the constant variety of uses they’re put to means mobile phones are particularly prone to suffering p...
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Why can't I get 4G in crowded locations?

Why can’t I get 4G in crowded locations?

On: Monday, 23 December, 2019
One of the great joys of modern life is sharing experiences with people who aren’t in attendance. From Christmas Day Skype calls to real-time social media discussions about live TV, the internet has given us the ability to communicate whe...
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How to recycle your old handset

How to recycle your old handset

On: Friday, 20 December, 2019
It seems every winter brings a new David Attenborough-narrated series which uncovers fresh horrors concerning mankind’s impact on the planet. This year’s Seven Worlds One Planet series highlighted the impact of palm oil production, clim...
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