To help limit phone signal dead spots in the countryside, Tuff phones has introduced a multi-network sim card that can operate on any one of three major networks.

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The networks are Three, O2 and Vodafone. The phone will use the strongest signal available, with better coverage coming from the multi-SIM, and costs the same as a single network contract.

To accompany the SIM, Tuff has also launched a new T500 handset that has 4G and runs on the Android 8.1 platform with a 1.5GHZ quad-core processor.

There’s also a Sony 13MP camera and huge 5,000mAh battery, which means the phone can stay alive for over 580 hours on standby.

As with most rugged phones, it is waterproof and dustproof and comes with a two-year warranty and unlimited screen replacements during that time.

Prices for the T500 start at £333.