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The Power Switch compares and links you to the best deals on personal mobile phones, mobile broadband and mobile accessories from The Carphone Warehouse

Compare the best prices from 02, T-Mobile, Orange, Vodafone & 3 networks by matching your requirements to a comprehensive list of suppliers and plans so you can save the maximum amount of money on your mobile phone bills. We have the best deals on mobile handsets and offer bespoke call price plans specifically for you whether you have 1 or 100 mobile phones.

Simply match your requirements on a number of key factors also including MMS and Data services , upgrade your mobile phones on your existing mobile network or switch to a new and cheaper call plan from the network of your choice.

Due to our business partners' buying power you can upgrade your handsets too as we have leading business mobile phone models from a range of big brand names like Blackberry, Apple IPhone, Nokia, Motorola, Samsung, LG, & Sony amongst others with a choice of contracts from 12 months to 36 months.

Once you decide which mobile phone tariff and phones you want, you can apply immediately. Our specialist team will guide you through the application, which only takes a few minutes. Then, after you have confirmed your order, you can sit back because we take care of the rest for you. It won't be long till your saving on your mobile business calls and line rental!

It's that simple! So whether you're a single handset user or commercial, industrial or small business just click on the relevant link above or fax a recent bill to 0845 280 6439 and submit the simple form below. The Power Switch look forward to upgrading and saving money on your mobile phone contract.

Guide to Mobile Phone Jargon

Getting to grips with mobile phone jargon can be tough. As mobile technology has advanced at such a rapid rate, it seems like you need to learn a new mobile phone language to be able to understand even the simplest phone descriptions.

We try to make everything easy to understand, but if you're struggling with any of the mobile phone jargon you've come across, our mobile phone glossary should provide you with everything you need to become an expert in mobile-speak.

1G First-generation mobiles or mobile systems - these are the first ever mobiles, they are no longer developed but provide the basis for all today's mobiles.

2G Second-generation mobiles or mobile systems - 2G mobiles offer data, fax and SMS mobile services. 2G mobiles also offer limited data communications.

2.5G This was the next step from 2G and provides enhanced data communications as well as some other features.

3G Third-generation mobiles or mobile systems. 3G is the current generation of mobile technology, it supports much higher data rates, full motion video, and allows mobile users to access the internet.

Air time This is the number of minutes spent talking on the phone, or the allowance of minutes from your provider. (See Talk Time) . Air time provider This is simply the mobile phone network. (See Talk Time Provider)

Bluetooth Technology that allows a wire-free connections between devices.

Caller display The screen of your mobile shows the name and number, and sometimes a picture of the caller on a call.

Camera phone This is a mobile phone with an inbuilt camera device so you can take pictures with your phone. In recent years this has meant both still images and video. Compare all camera phones Camera phones

Cell broadcast Your mobile network may occasionally provide you with useful information via SMS text messaging.

Coverage This is the area in which you get mobile phone signal from your network. If you have coverage you can make and receive calls on your mobile phone.

Desk-top charger A handy gadget that holds the handset upright on a surface while it is charging so you can easily view the caller display.

Dual band All new UK mobiles are dual band, this term refers to mobiles that can switch between two frequencies.

Email This is a shortening of electronic mail - most email is composed on a computer and sent via the internet but with new developments in mobile phone technology, you can now send and receive email using a mobile phone.

GPRS General Packet Radio Service - This is a way to enhance 2G phones so they can send and receive data more rapidly. A GPRS connection means the phone is "always on" and can transfer data immediately. This is the standard digital service used throughout Europe.

Hands-Free This is a safety feature that allows you to talk without holding the handset to your head; it often involves using an extra hands-free accessory such as a Bluetooth earpiece, and is particularly popular with drivers because holding a handset while driving is illegal in the UK.

MP3 Player This can be a hardware, or software device, that can be built into a mobile phone and used to play audio files on your phone.

Multimedia messaging This term refers to sending messages between mobile phones in formats other than text, for example images and video clips.

Off-Peak This refers to the period of time after business hours have ended and during which mobile phone companies quite often offer reduced rates for calls.

Oftel The office of telecommunications - This is the independent watchdog for the UK telephone industry. It also covers mobile phones.

Pay As You Go (PAYG) This is a pre-pay mobile phone service. It works by allowing customers to purchase credit in advance to give you talk time on your phone.

PC card This device allows you to connect your mobile phone to your computer.

Peak This is the time of day when the phone network is busiest - this usually occurs during normal business hours. Networks normally make calls more expensive during this peak time period.

Polyphonic ringtones This is a form of ringtone which uses up to 40 different notes playing at one time, previously mobile phone ringtones used 16 notes - these were called monophonic tones.

Roaming This is sometimes referred to as International Roaming. It means using your phone on a different network to the one to which you are signed-up. Your network and talk plan will determine how many countries you can roam in.

SIM This stands for Subscriber Identity Module and is the chip that identifies the mobile number and mobile account to the network. It stores essential data and without a SIM a mobile phone will not work.

SMS This stands for Short Message Service, it is the service that allows short text messages to be sent and received on all mobile phone networks.

Standby time This refers to the number of hours that a mobile phone battery will last without receiving or making any calls. If you use the phone to make calls or send text messages then the standby time will be diminished.

T9 This is the dictionary that predicts your text as you type text messages into your phone - it helps you to quickly write text messages.

Talk time This is the same as Air time and refers to the actual amount of time spent talking on the phone, or in some cases the allowance of time.

Talk time provider This is the same as Air Time Provider, and refers to the mobile phone network.

Tri-Band Tri band or Triple band phones can operate across three GSM bands, which means they can work in more than 100 countries.

Voice activated dialing This is a way of controlling the call function on your mobile phone. You say the name of a contact and it will automatically dial their number. This is a function most commonly used with hands free sets by drivers.

Voicemail This is a mobile phone service provided by your network. Voicemail records messages from callers when you are unable to answer the phone.

WAP This means Wireless Application Protocol, WAP enables mobile phones to activate the services that mean we can access the internet on our mobile phones.