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1. OneSimCard General Service Questions
    • What is the difference between OneSimCard Universal, OneSimCard Expedition (formerly Data & Roam) and OneSimCard Europe & More SIM cards?

      All 3 OneSimCard SIMs work in a very similar manner.  They all use an Estonian Mobile Number as the primary number and offer a Free US or Canada PEN for 30 days. All OneSimCards also offer many  additional features such as Global Concierge, 24/7 Live Technical Support, SIM VOIP and Apps for iPhone and Android.

      The main difference between the 3 SIM cards is that OneSimCard Universal offers Voice and SMS Text Messaging in many more countries as well as lower data rates.  The OneSimCard Expedition (formerly Data & Roam) is recommended to be used in some countries where for it offers coverage while Universal SIM does not.  For some countries like Canada, Cuba, Brazil and a few others, the OneSimCard Expedition (formerly Data & Roam) offers lower calling rates. 

      The OneSimCard Europe & More was specially created for European travelers and offers our best calling rates to the US & Canada from the 40 included countries. Both the Europe and Universal SIM cards offer easy Direct Dialing in 40 and 75 countries respectively, while OneSimCard Expedition (formerly Data & Roam) utilizes callback. Universal SIM offers callback dialing in those 130 countries which are not covered by the Direct Dialing. Callback dialing does not make it more complex for the caller, except for pressing the Talk button on the mobile phone twice instead of once when making a call.

      OneSimCard Universal, Plus, OneSimCard Expedition (formerly Data & Roam) and OneSimCard Europe & More also operate on different networks in many countries.

      You can compare rates for all these SIM cards here.

2. OneSimCard General Service Questions
    • What Is the Difference Between "Direct Dial" and "Callback Dial" calling?

      Direct Dial calling allows the caller to enter the international  call prefix, country calling code and telephone number and then be directly connected to the person they are calling. This is how you dial when using your regular mobile service. Direct Dial Calling is standard on the OneSimCard Europe & More.

      Callback calling also allows the caller to enter the international  call prefix, country calling code and telephone number. After the called number is entered, the user immediately receives an incoming call connecting the user to person called. Callback is very simple to use and allows for low cost calling on the OneSimCard Plus and OneSimCard Expedition (formerly Data & Roam). Callback does not increase the connection time. It is the same as with Direct Dial. Usage of the OneSimCard Direct mobile app hides the callback. 

3. OneSimCard General Service Questions
    • I have an Verizon or Sprint Smart Phone ( iPhone 4S, Iphone 5, HTC, etc). Will OneSimCard work with my phone?

      Verizon and Sprint now offer dual mode - CDMA and GSM phones, which are capable of working on GSM networks. You can request Verizon and Sprint to unlock the GSM portion of the phone for international travel and they will most likely do this for you. However, Verizon and Sprint usually does not unlock phones 100% - they do this partially, so you are not able to use the phone while in USA.

      In such Verizon and Sprint phones you can get invalid message when inserting OneSimCard SIM or your phone does not find US networks. Verizon and Sprint unlock their phones in such a way that you can't use it in USA, but once you are out of the country the SIM will be accepted. Unfortunately, there is no way to tell the difference with this kind of unlocking if the phone is not unlocked or partially unlocked to work only outside of USA. In our experience, once this kind of phone leaves USA, it starts working.

4. Rates and Cost Questions
    • Does OneSimCard offer a U.S. Military discount?

      Yes! We offer a 15% discount (excluding airtime) for U.S. Military members when ordering with a verified .mil email address and entering promo code MILITARY15. This discount is only applicable for individual users, not for Corporate Accounts.
5. Rates and Cost Questions
    • What is the cost to make calls from a OneSimCard phone to another OneSimCard phone?

      It depends on the country you're in when making the call. In many countries there is a special low rate of just $0.25/min to call another OneSimCard phone (only when dialing the other OneSimCard user's primary mobile number, not a Personal Extra Number). In other countries your cost will be our standard low outgoing call rate from that country.

      Example 1: two OneSimCard users are in Italy and one calls the other, the cost will be $0.25/min for the caller and free for the receiver.


      Visit our Rates & Coverage page and choose any country to view its current rates. Use the dropdown menus to see rates for calling to/from other countries.

      PLEASE NOTE: If you activate a discount call plan, the special rate to make OneSimCard-to-OneSimCard calls will not be available. You will be charged for those calls according to the discount call plan rate.

6. Rates and Cost Questions
    • How often do I need to recharge my OneSimCard account?

      Your OneSimCard global SIM card and European phone number will never expire as long as you make at least one call every two years. If you fail to make or receive at least one call every two years, your OneSimCard global SIM card and European phone number will expire and you will not be entitled to a refund even if at the time of expiration your account had a positive balance.

      However, the funds on the SIM card will expire 10 months from your last recharge and will not be refunded to you. The minimum recharge amount is $25. By simply recharging at least once every 10 months your balance will roll over. If your balance does expire, it will not be refunded to you but all you need to do to get the service working again is to log in and add funds to your SIM card. If you set up the automatic recharge, it will be canceled if you allow the funds to expire, so you will need to set automatic recharge up again once you recharge your balance.

7. Ordering Questions
    • How long will it take for my OneSimCard to be delivered?

      Your order will be shipped the same day you place it, provided that it was received on a business day before 3 PM EST. Otherwise, your order will be shipped the next business day.

      We offer several delivery options:
      • USPS Priority mail
        Your order should arrive within 2-3 business days, but it is not guaranteed.
      • FedEx Next Day and FedEx Next Day Priority.
        Delivery guaranteed by 10 AM or 3 PM.
      • FedEx Two Day
        Delivery is guaranteed in 2 business days.
      • FedEx Three Day
        Delivery guaranteed in 3 business days.
      • Fedex Express Overnight.
        Next day delivery before 12:00 pm to most locations in the USA.
      • FedEx Ground
        Delivery guaranteed in 1-6 business days depending on the destination from Boston, where we ship from.

      For orders shipped outside of USA:

      • International Air Mail - usually takes 5 to 30 business days, no tracking
      • US Postal Service International Priority - delivery time depends on the country
      • Fedex International - 2-6 business days - depends on the country and location in the country. This is the most reliable shipping option.

      You will get more detailed information about the delivery to your destination when you start placing your order.

8. Ordering Questions
    • Do international cell phones purchased from OneSimCard come with a warranty?

      Unless otherwise noted, all phones sold on OneSimCard.com come with our standard 90-day replacement warranty. This warranty covers any mechanical defects, but does not include damage due to acts of god, neglect, water damage, or other intentional or unintentional abuses of the phone. OneSimCard does offer currently extended warranties available for purchase.
9. Rates and Cost Questions
    • Is there a monthly or 30-day credit card spending limit for OneSimCard service?

      To reduce fraud, there is 30-day credit card spending limit set for each individual account. You will only be able to charge up to a certain amount during any 30-day period. You can see your current limit by logging in to your OneSimCard account and going to the Purchase History menu. There, you will find a Credit Card Authorization form available for download. If you would like to increase your monthly credit card spending limit, please download the Authorization form and submit it back to OneSimCard as instructed on the form.

      We strongly suggest that you set your monthly credit card limit before going overseas as dealing with the form on the road can be much more difficult.
10. Rates and Cost Questions
    • How does OneSimCard compare to the international roaming from the largest US carriers?

      OneSimCard can help you save a lot of money on international roaming abroad over large domestic carriers. Check out these rate tables to compare international roaming offerings from AT&T, Verizon, Sprint and T-Mobile.

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