Buy eSIM and SIM cards on our website and top up the balance from anywhere in the world!

It’s easy to order your SIM card online

Choose a suitable SIM card in the online store

Only Internet with coverage of 124 countries or Only Internet Global with coverage of 210 countries.

Pay quickly and safely with a credit card

Payment is made through the online payment system. Security is guaranteed by Visa and MasterCard.

Get your SIM card to the specified delivery address

Free shipping by a registered mail with a tracking number. Delivery time is 3-10 business days.

Topping up the balance and your personal account

Topping up your balance is easy! You just have to choose a voucher and a top up amount in our online store, enter your eSIM number and pay for the order in a way convenient for you.
You can view information about your orders and payments, as well as the history of used Internet traffic, in the personal account of a Tez Telecom client. You can access your personal account from any device.

Balance Top up

Frequently asked questions

How to buy ONLY Internet card?

You can buy the card in our online store.

How can I see my ONLY Internet number?

ONLY Internet number is printed on the plastic card holder. Please, keep it in a safe place. The number is also displayed in your account.

How can I check my ONLY Internet balance?

You can check the balance in your account on the website or by entering *187# and pressing the call button.

How can I top up the ONLY Internet SIM card balance?

You can buy a voucher to top up your SIM card balance in our online store.

What can I do if my SIM card isn’t working?

- Your should have at least 1 € on your balance - Enable mobile data roaming - Remove and re-insert your SIM card - Test your SIM card with another device to rule out any setup problems.

My ONLY Internet SIM card can’t find the network

- Switch off your device and power it on in 5 minutes - Disable automatic network selection and choose the network manually - Use the support chat on our website

My device can’t detect the ONLY Internet SIM card

- The device should have the supplier/operator blocking disabled - Remove and re-insert your SIM card - Test your SIM card with another device to rule out any setup problems - Use the support chat on our website

My Android device can’t connect to the network

Go to your settings and add a new APN = globaldata, save and make sure it’s active.

What is the period of validity for ONLY Internet cards and balance?

ONLY Internet Global SIM-card’s period of validity is 180 days, each balance top-up prolongs the period of validity by 180 days.

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