Enjoy mobile data, minutes and texts and more in just four steps.

How do I get a SIM?

Getting your free SIM is easy. Simply provide us your contact details and shipping address to place your order.
Please find our estimated time of delivery:
  • UK: within 5 working days
  • Europe: within 5 working days
  • China: within 7 working days
  • Rest of the world: within 20 working days
If you haven't received your free SIM by the estimated delivery time, please feel free to contact us quoting your order reference number found in the order confirmation email.
To activate your free SIM, Top Up anytime anywhere. You can use it right away with our competitive Pay As You Go rates, or subscribe to any of our plans for even more benefits. For more details, see Pick your plan or Pay As You Go.
Once you've topped up to activate your free SIM, it is valid for 6 months. If you haven’t done any top up in the first 3 months, we’ll start sending you SMS reminders. Please note that your number will no longer be available when your SIM expired.

Before your SIM expires, you can top it up at any time to reset the validity of your SIM.
Please contact your mobile service provider for the Porting Authorization Code (PAC). At the same time, you can get a free CMLink SIM. Upon receiving and activating our SIM, you can contact us for the port-in.

Tell me more about Topping up

Visit the Top Up page where you can choose to pay with Visa / Master / Wechat Pay / AliPay / UnionPay.

You can also purchase eVouchers to top up your CMLink SIM at your nearest PayPoint or Payzone store.
You can find it at the back of your SIM. If you have inserted the SIM into your phone, you can dial *187# to receive a text with information about your mobile number.
After you pay for a top up transaction on our third-party payment gateway, please return to our website to see the confirmation. You can also text BALANCE to 10086 from your CMLink SIM enabled phone to check if the top up amount is reflected in your balance. If there’s any issue with your Top Up, please contact us.
You can dial 185 or text BALANCE to 10086 from your CMLink SIM enabled phone.

Questions about Plans and Pay As You Go

You can use your SIM with balance right away with our competitive Pay As You Go rates. But enjoy more benefits by subscribing to any of our contract-free Plans - which we call them Data Growth Packs. We'll reward you with extra 5% of data free each month, up to a total of 200%. Check them out!
When your SIM has enough balance, you can subscribe to any of our Plans.

Text GP 5 to 10086 to subscribe to £5 Plan
Text GP 10 to 10086 to subscribe to £10 Plan
Text GP 18 to 10086 to subscribe to £18 Plan

Click here for more details.
Once you have subscribed to our Data Growth Pack, from the following month onwards, as long as you are with us on the 1st of each month, we will reward on the 5th with free extra data from 5%, 10%, 15%... up to 200%, month to month.

You will receive a text notification when the extra data has been credited to your account.

Tip: Make your life easier and set the balance for your Data Growth Pack to auto-renewal.
You can dial 185 or text BALANCE to 10086 from your CMLink SIM enabled phone.
First, please cancel your current Pack.

Cancel £5 / £10 / £18 pack
Please text CANCEL 5 / CANCEL 10 / CANCEL 18 to 10086

Then subscribe to the new Pack.

Subscribe to £5 / £10 / £18 pack
Please text GP 5 / GP 10 / GP 18 to 10086

The new pack will only activate when your current pack expires. Click here for more details.
You can buy an add-on pack when you've used up the resources in your Data Growth Pack.

£3 for 1.5GB data
Please text GP DP3 to 10086

£8 for 6GB data
Please text GP DP8 to 10086

£1 for 100 local mins
Please text GP VP1 to 10086

£4 for 800 local mins
Please text GP VP4 to 10086

The add-on pack will be activated upon purchase, and is valid until the end date of your Plan in the current month.

Questions about our services

Please add the "+" symbol and the "country/region code" before an overseas number. For example, to call to mainland China:
  • +86(mobile number) or
  • +86(city code with the 0 removed at the beginning)(landline number)
Long-press "0" on your mobile phone's keypad to enter the "+" symbol

To find a specific country/region code, visit our Call Abroad page and use the country/region selector.
You can dial 185 or text BALANCE to 10086 from your CMLink SIM enabled phone.
You can dial 186 from your CMLink SIM enabled phone.
Please make sure you have turned on "Data Roaming" if you are travelling outside of the UK.

Android
For Andriod, please try to set your APN manually:
  1. Settings > Wireless & Networks > Mobile networks > APN
  2. Create APN > Enter "everywhere" to both Name and APN fields, leave other information blank > Save
  3. Tap "Back". Make sure "everywhere" APN is selected
iOS
Settings > General > Device Management
Please check if there is any profile from another operator, remove if any.

If you still can't get online, you may try to reset your network settings:

Settings > General > Reset > Reset Network Settings
Simply turn on data roaming on your mobile. If you want to check our roaming rates, please click here.
Please try to call using the following:
*111*(country/region code)(phone number)#

For example, to call to mainland China:
  • *111*86(mobile number)# or
  • *111*86(city code with the 0 removed at the beginning)(landline number)#
To find a specific country/region code, visit our Call Abroad page and use the country/region selector.
With a valid Data Growth Pack or at least 10p in your balance, you can enjoy 1,000 minutes of voice calls per month from the UK to China Mobile numbers in the mainland China for free. China Mobile numbers in the mainland China are determined by the following prefixes, excluding any landlines:

(+86) 1340-1348, 135-139, 147, 148, 150-152, 157-159, 165, 178, 182-184, 187, 188, 198, 1703, 1705, 1706

After exceeding the 1,000 minutes allowance, you will be charged at 2p per minute.
With a valid Data Growth Pack or at least 10p in your balance, you can enjoy 1,000 minutes of voice calls per month for free from the UK to China Mobile numbers in the mainland China with designated prefixes. Exceeding the 1,000 minutes allowance or calling numbers by other operators in the mainland China will be charged at 2p per minute.

Need more info?

There're lots of benefits when using our fantastic 4G. Not only do we have some of the most competitive Pay As You Go rates you can find, you can also enjoy free calls to CMLink and 900 million China Mobile's users in the mainland. And by subscribing to our contract-free Plans, you can earn extra data free, up to a total of 200% every month! What's more, there are no extra fees on data when you roam in selected destinations in the EU, mainland China and Hong Kong.
You can contact us anytime to request a new SIM. For security and peace of mind, we may ask you a few questions to confirm your identity, such as your SIM number, last top up etc. Any remaining balance from your lost SIM can be transferred to the new one, except if the lost SIM has already expired.