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F.A,Qs
Please note that this info is for our UK prefixed SIM, for GoSim saver please click here.

Using your UK prefixed SIM card is simple. When you receive your UK prefixed SIM card, simply break it out from the plastic card, insert it into your unlocked GSM mobile phone, enter your 4-digit PIN number that comes with your UK prefixed SIM card, and you are all set to make and receive calls at amazing LOW LOW prices.

  • Your UK prefixed SIM card comes with a FREE user guide that explains
  • how to take full advantage of your feature packed SIM card,
  • how to log in and check your account,
  • how to TOP UP when you run low on credit,
  • and other useful information.

Please note that if you purchased your sim with credit you will need to enter the code number printed on your credit voucher to top up your sim in order to activate your card and make and receive calls.

Frequently Asked Questions

Roaming & Making Calls

What is roaming?

When you take your mobile phone abroad, your phone "roams" onto overseas mobile networks. This enables you to continue using your mobile almost as you would in the UK, but with your existing operator there can be significant extra costs for calls, voicemail and all your customer services. When you move between countries, UK prefixed SIM card will move seamlessly with you, picking up a new network as soon as you arrive in a new destination, enabling you to make cheap calls the moment you step off the plane.

Where can I use UK prefixed SIM card?
You can use UK prefixed SIM card in 155 countries - all the major tourist and business destinations.

How do I use my UK prefixed SIM card without changing my existing mobile number?
Give friends, family, and colleagues your new number to use whilst you are abroad, AND/OR

Leave a voicemail on your existing phone number giving callers your UK prefixed SIM card number to contact you on, AND/OR

Simply forward your calls from your existing mobile to your UK prefixed SIM card number (please note that call diversion does normally attract a small service charge from your existing service provider. You should check this with them. However it should still work out cheaper than receiving a call on your normal mobile number while abroad.)


How do I make a call ?
UK prefixed SIM card works just like a normal SIM card with one small difference when making a call. UK prefixed SIM card uses call-back technology to ensure you get the lowest rates. With UK prefixed SIM card, you dial your number as normal always using the full country code. However, instead of getting directly through to the person you are calling, there will be a brief 'call back' between dialling the number and being connected. A few seconds after making your call, your mobile phone will ring. Answer the call, and your call will be connected. to the party you are calling.

Dial the number including the full international dialling code ie. +447624139363

You will see a "Please Wait" message. The phone will then disconnect. Please note that different phones will display varied messages. Some may even say “call failed”, “call rejected”, or “sending a request”. These are all a normal feature.

Please wait. Within a few seconds you will receive a ‘callback' and your phone will ring.

Answer the call and you will hear a message saying your call is being connected.

You will be connected to the person you are calling


How do I receive a call?
Receiving a call on UK prefixed SIM card is the same as receiving a call on a normal SIM.

I get an error message when I make a call
This is a normal feature of a UK prefixed SIM card sim card. UK prefixed SIM card uses call-back technology to ensure you get the lowest rates. When you dial your number, instead of getting directly through to the person you are calling, there will be a brief 'call back' between dialling the number and being connected. During the brief period, your phone will display a "Please Wait" message. Different phones will display varied messages. Some may even say "call failed", "call rejected", or "sending a request".

I do not receive a call back when I make a call
If you do not receive a call back, this may mean that your handset is not compatible for using the normal dialling method. However, you can still use it to make cheap calls using UK prefixed SIM card. Instead of dialling your number as normal, you simply have to save or enter the number prefixed with *125*1*countrycode&number #.Receiving calls anywhere in the world and sending text messages remains exactly the same.

How much does it cost to call a UK prefixed SIM card number?
Your UK prefixed SIM card number is a UK mobile number. From most fixed lines it ought to be charged as a call to a mobile phone or less. Mobile networks may levy different charges. Please check with your service provider about their charges.

How do I check my credit balance and view my call history?
You can always check the credit balance on your phone by dialling 187.

To view your call history, simply log onto your account at the website that will be provided by our partner, that will also ship your SIM to you. Your call history is real-time hence no need to wait hours or days to view your call details and costs.

How do I top up my UK prefixed SIM card?
Click here to see how to top up your UK prefixed SIM card from anywhere in the world at any time.

How long does my UK prefixed SIM card last?
Any unused credit will not expire as long as your sim is active. This includes any free starter credit that comes with your UK prefixed SIM card.

The actual UK prefixed SIM card sim card will be active as long as you want it to. When you buy your UK prefixed SIM card, the sim card is activated for a year. To extend the validity of your SIM card beyond a year, there is a £12.50 annual network fee. You will receive an automatic reminder near the annual.

How do I quickly transfer all my phone numbers from my existing mobile phone to the mobile I bought with UK prefixed SIM card?
Use a SIM Bank to transfer your contacts from your current sim to a UK prefixed SIM card™ at the touch of a button.

How do I use the cheap call forwarding facility to call anywhere in the world without incurring any UK prefixed SIM card charges?
To use UK prefixed SIM card’s cheap call forwarding facility to call abroad, you need to forward your UK prefixed SIM card number to the number abroad that you wish to call. Then simply call your UK prefixed SIM card number and you will be put through to the number abroad that you wish to call. Costs for calling your own UK prefixed SIM card number will be dependant on how you are dialing. Your UK prefixed SIM card number is a UK mobile number. From most fixed lines it ought to be charged as a call to a mobile phone or less. Mobile networks may levy different charges. Please check with your service provider about their charges. The approximates costs of calling a UK prefixed SIM card number using some popular providers are as follows; BT landline: 12.5p peak, 4p weekend; UK mobile cross network minutes; Free (on some mobile providers – please check with your provider)

Phone Compatibility

Can I use UK prefixed SIM card in any phone?
UK prefixed SIM card is compatible with the majority of phones bought in the last four years, however your phone has to be unlocked to use UK prefixed SIM card.

Will UK prefixed SIM card work with my phone?
UK prefixed SIM card™ is compatible with most mobile phones and will work if they are unlocked.
To see which handsets are compatible, Click here.

Is my mobile phone unlocked?
To find out whether your phone is unlocked, insert a SIM card from a different network into your phone. If it operates normally, it is unlocked. If not, you can ask your operator for an 'unlock code' which it is obliged to give you, though conditions and charges may apply. Alternatively you can unlock it yourself by taking your phone to an independent phone shop or by trying one of the independant unlocking websites.

Purchasing & Delivery

How much does a UK prefixed SIM card sim card cost?
A UK prefixed SIM card costs £35 and comes with £10 of call credit.

How much are the delivery charges for a UK prefixed SIM card SIM card?
Please see here for our delivery charges

Features

Does UK prefixed SIM card have a voicemail service?
UK prefixed SIM card comes with a full voicemail service. To activate your Voicemail dial 122, to deactivate dial 123 and to retrieve Voicemail simply dial 121.


Can I use conference calling with UK prefixed SIM card?
Yes you can. You can initiate a conference call using either a web-browser or a mobile phone equipped with text messaging (SMS).


Setting up a conference call online

Log on to your UK prefixed SIM card online management account

Click on XXXX

Enter the phone number for everyone you wish to conference in, or do so by selecting contacts from your personal phone directory. Highlight those individuals you wish to call / conference call. Then click the “dial” icon


Setting up a conference call through your phone

To add a party to call, simply dial # * 3.

You will hear a voice prompt.

Dial the number you want with "#" at the end. Within moments, that person will be added to your conference call.

Repeat this sequence to add additional parties to the conference.


What are other quick access codes I can use with UK prefixed SIM card?
102 +(Number) – Forwarding ON
103 Forwarding Off
121 Voicemail Retrieval
122 Voicemail ON
123 Voicemail Off
125 Check status of features
154 Customer Service
187 Account Balance


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