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Frequently asked questions
Refer a friend
Earn Free Services with Our Refer-a-Friend Program
One of my mates didn’t top-up. What now?
Is every offer available for free?
Prepaid
Discover the Mobile Vikings Subscription Model
Discover How the Mobile Vikings offer
Changing Your Prepaid Plan
Data extra packages
How do I reactivate my Prepaid
Suspending the offer – how to do it?
Restoring the offer – what do you need to know?
Migrate to a Different Plan with Ease
Mobile data
What is Od Groma Netu?
Does the Od Groma Netu offer has a referral program?
Request SIM
What do I have to pay attention to during a number transfer?
How do I request a SIM card with a new phone number?
What do I have to do when I receive my SIM card? How do I activate my SIM card?
Ordering an eSIM card
What is eSIM?
Is Your Phone Compatible with eSIM?
How much does an eSIM cost?
How to order an eSIM?
Order eSIM Without a Courier — Get It Online
Payments and invoices
How does Auto top-up work?
How to top up your balance?
KSeF – National e-Invoice System
Refund of Unused Balance Funds
Get VAT Invoices for Your Top-Ups
The payment card that is connected to the Subscription is no longer active, now what?
SIM card swap
How can you replace your SIM/eSIM card with a new one?
Switch to a Micro or Nano SIM Card
Usage
Which transmitters can I use in the voice offer?
How to top-up a SIM card?
Extend Your Mobile Vikings Offer with One SMS
Transfer Ownership of Your Mobile Vikings Number
Log In to Your Mobile Vikings Account
How can I check my credit balance?
How can I check my call history and data/SMS usage in Mobile Vikings?
Explore Our List of Helpful USSD Codes
Block Premium Services on Your Plan
How to manually configure my MMS and internet settings?
Request a Refund of Your Account Balance
What is the number of the SMS central?
Roaming
What is international roaming?
What are the rates when I’m abroad?
Cheap Roaming service
Steps to Start Using EU Roaming Services
EU roaming fees
Data packages in EU roaming
In what countries can I use the EU roaming?
What is the Fair Use Policy?
Wifi calling
What is WiFi Calling and how to turn it on?
How much will I pay for using the Wi-Fi Calling?
Devices with Wi-Fi Calling support
What ports does the Wi-Fi Calling use?
voLTE
What is voLTE and how to use it?
Devices with voLTE support
Will I be charged for using voLTE service?
Viking App
I can't topup my number, what to do?
How to set language in Viking App
Want to talk?
Call us
48 732 007 007
Call cost according to the operator's tariff
Write to us
helpdesk@mobilevikings.pl
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