We are here to help you get answers to your questions about OneSimCard phones and services.
I can make calls through OneSim VoIP. However incoming calls are going through my roaming SIM. What's wrong?
If your incoming calls are not being routed through the OneSim VoIP app then you are either not connected to Wi-Fi or the OneSim VoIP app is not active.What kind of payments do you accept?
We accept Visa, MasterCard, Discover, American Express and Bitcoin.
U.S. corporations can pay with company checks, ACH or wire transfer. No order will be processed until funds are cleared
For international customers with credit cards issued outside of the U.S. we require the order to be verified using the OneSimCard verification procedure. We do accept credit cards from most foreign countries.
Attention:Â Customers from the following countries must use Bitcoin option only (we will not accept credit cards as a form of payment): Congo, Egypt, Ghana, Lebanon, Nigeria, Pakistan, Palestine and Syria.
Â
To make it simpler, you can deposit money into your OneSimCard Money Fund and then use the funds to make all purchases at OneSimCard.com including airtime recharges.
I have an iPhone and am receiving charges for SMS sent to a UK mobile number 447786205094. Why?
This is a known issue with Apple's Facetime and iMessage applications on Apple iPhone devices. We recommend disabling Facetime and iMessage so it will not be able to automatically send SMS to this 447786205094 number. Any SMS sent to this number automatically by your phone can not be refunded by OneSimCard. Additional questions regarding iPhone applications and how they communicate should be directed to Apple Support.Is there a way to send a SMS to a short code number?
The SIM card does not offer SMS service to short code numbers
When does a Personal Extra Number (PEN) subscription start?
New SIM card orders with PENs
Your monthly, quarterly, bi-annual or annual subscription to a Personal Extra Number starts the moment your order has been shipped. If you do not need your Extra Number to be active right away, you can always wait and order an Extra Number later at any time by logging into your account.
eSIM orders on onesimcard.com do not require shipping.
PENs added to existing SIM cards
These PEN subscriptions are activated right after the order has been processed. The activation is virtuallyinstant, unless your PEN order requires additional documents for verification. Please see the local number information page for the list of any additional document requirements by country.
Free Trial PENs
Many SIM cards come with Free Trial PENs that are inactive by default. You can activate Free trial PENs at any time from your account.
BANK SMS Verification PEN
The SMS Verification PEN is the only PEN that can be used without a SIM card. These PENs are activated instantly if ordered on their own or added to an existing active SIM card.
Â
Is there a nano-SIM version available for my iPhones or other phones?
Yes! Just select "nano size" or buy a 3-in-1 SIM that contains all 3 sim sizes during checkout.
How do I order Discount Call, Text and Data plans?
You can order discount Call, Text and Data packages from your OneSimCard web account after you have received and activated your OneSimCard.Â
NOTE: for DataMax and DataMax eSIM, there are no call or text messaging discount package, since these are already deeply discounted through the 1SIM VoIP App.
To order a discount package for your SIM card, follow these steps:
Â
Future data plan activation:
a. You can set up the maximum number of times data packages to be activated automatically when the package is used up or expired.
b. You can set the date after which no packages will be activated, so when your travel is over no data packages will be activated and no charges will follow.
Note:Â eSIM World data plan activation may vary from regular Universal or Expedition SIM cards. Please follow directions on the account page.
To learn more about the availability of discount packages for different SIM cards and countries, please visit the Rates & Coverage page.
Â
Can I Pay with BitCoins?
Yes, You can pay with Bitcoins.
Â
When paying with Bitcoins you first deposit money into your 1SIM Money Fund. Once the money is there, you can make a purchase or set an automatic recharge of you SIM card(s) or Extra Number(s).
Follow these steps:
How many times can I install an eSIM, and can it be installed on different devices?
For DataMax eSIMÂ can be installed once.Are there any discount SMS text message plans available in Europe or other countries?
Discount SMS from Europe and many other countries are available with OneSimCard Universal, OneSimCard Plus, Expedition (formerly Data & Roam) and Europe & More SIM cards.
Discount SMS 100 Plan
When activated, this plan provides 100 free classic SMS messages sent from Europe to any number in any country in the world. Messages should be sent from the normal SMS menu of your phone and NOT from the OneSimCard 'Travel SMS' menu. SMS plan will be effective for 30 calendar days after the activation took place. The plan can be activated from your OneSimCard web account. Activation cost is 10.00 USD. Â
New SMS plans are available in following countries:
Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, French Guiana, Germany, Gibraltar, Greece, Guadeloupe, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Martinique, Monaco, Netherlands, Norway, Poland, Portugal, Romania, San Marino, Slovakia, Slovenia, Spain, Sweden, United Kingdom and Vatican City.
To check how many days and SMS messages are left, dial *146*922*1#
Screen will show the following message: "SMS package active for X day(s) more, You have already used X of XX free SMS"
Â
Â
© 2006-2026 Belmont Telecom Inc., DBA OneSimCard.com. All rights reserved