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31. OneSimCard General Service Questions
    • Will my CDMA cell phone from Verizon or Sprint work overseas with OneSimCard?

      No, unless you have a "World Phone" from Verizon or Sprint that is dual-mode CDMA/GSM. Most current smart phones including iPhones 4S, 5 and 6 offered by Verizon, Sprint, N-Telos and other CDMA carriers have GSM radio and will work when traveling abroad.

      CDMA-only phones will not work with OneSimCard service. OneSimCard service requires an unlocked GSM capable phone (for example, all AT&T or T-Mobile phones are GSM). Some domestic carriers such as Verizon and Sprint use CDMA technology, while most of the rest of the world uses GSM. Check with your wireless provider or phone manual if you are not sure if your phone is CDMA or GSM.

      Verizon and Sprint now offer iPhone 4S, 5 and 6, as well as some models of Samsung Galaxy 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 most probably they will do this for you. Once they unlock the phone you can use OneSimCard SIM when traveling abroad. 
32. OneSimCard General Service Questions
    • I have an Verizon or Sprint Smart Phone ( iPhone, Samsung Galaxy, 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.

33. Ordering Questions
    • 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 PENs subscriptions are activated right after the order has been processed. The activation is pretty much instant, 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.

34. OneSimCard General Service Questions
    • 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.  

      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"

35. Troubleshooting Questions
    • I have a Samsung phone. When I dial following your instructions it does not work. What's wrong?

      Some phones such as Samsung and some other brands require dialing a specific prefix 146 in front of the dialed string when used with a OneSimCard.

      For example, calling to USA: Dial *146*0016175551212# and press the TALK (or SEND) button
      * is a star character located on the keypad 
      • To check your balance dial¬† *146*099 and press the TALK (or SEND) button
      • To add funds dial *146*098XXXX*ZZ and press the TALK (or SEND) button,
        where XXXX - 4 last digit of your credit card on file, ZZ - Recharge amount
      • You need to press * on your phone in the above dialing sequences
      • Activation of voice mail *146*091 and press the TALK (or SEND) button
      • Deactivation of voice mail *146*090 and press the TALK (or SEND) button
      • Check number of messages in Voice Mail *146*094 and press the TALK (or SEND) button
      • To listen to voice mail *146*095 and press the TALK (or SEND) button

      The sequence *146* can be used from any phone. However, most phones do not require it.

      It is possible to make almost any phone entirely compatible, so you can call directly without using OneSimCard menu or *146* by following these simple programming instructions below.

      How to activate compatibility mode:

        1. Locate and Open "OneSimCard" Menu. ( It could  be displayed as STK Menu)

              2. Select "Settings"

        Newer SIM Cards: Select "Compatibility" and make sure "On" is selected
        Older SIM Cards: After selecting Settings:
        1. Agree with message by pressing "Yes"
        2. Dial digits "1101" and select "OK" (Screen will show "CC OptionX: ON" message)

          Bear in mind that if you have powered your telephone down, and have removed and reinstalled the battery, you will need to follow the programming steps outlined above, again.
          d when used with a OneSimCard.

      36. How To Use Questions
        • Can I use a OneSimCard phone to send an SMS message?

          Of course you can! Simply send and receive SMS texts according to your phone's user manual or from the OneSimCard Menu. Receiving SMS is always free. Sending an SMS (text message) is $0.15 - $1.50 depending on the country.

          SMS messages sent to a OneSimCard phone should always be sent to the main OneSimCard mobile number rather than to an optional Extra Number, with the exception of new SMS enabled numbers in USA, Canada and UK Mobile available since Jun 3rd, 2014. When replying from OneSimCard phone to the SMS received on USA or Canada SMS capable PEN using Europe & More sim or the Expedition SIM, the main number of the SIM that starts with 372 will be displayed on the text receiver phone. With the Universal SIM, you can select what caller ID will be shown on the SMS receiving party phone.

          You can also send SMS messages from OneSim VOIP app at much lower rates.


          You can also send a free SMS message to any OneSimCard customer from our web site or by sending email to 372XXXXXXXX@sms.onesimcard.com, where 372XXXXXXXX is the OneSimCard primary mobile phone number. The maximum number of daily SMS sent to the SIM over email or web is 25.

          Please bear in mind that message should be sent in English characters. In addition, it should not be longer than 160 characters including spaces.


          These 2 options of sending SMS by email provide completely free way of communicating, as it is usually free for you to send the email and costs nothing for the OneSimCard customer to receive a text message.

      37. Troubleshooting Questions
        • When I try to make a call, I get a message 'Call is modified and cannot be made'. What does that mean?

          Some phone models do not allow direct dialing with older OneSimCard SIMs sold before January 1, 2017.

          To get around this problem, you should try either of these methods:
          • Locate the OneSimCard menu on your phone. (Some phones have it in Applications.)
            Make a call using menu 'Call'.
          • You can also make a call by dialing directly *146*00 Country Code Number#
            For example, to make a call to the USA, you would dial *146*0018574440686# (do not forget to hit pound at the end of the number)
          * is a star character located on the keypad
          Other examples of how to use th *146* dialing prefix if necessary:
          • To check your balance dial¬† *146*099# and press the TALK (or SEND) button
          • To add funds dial *146*098XXXX*ZZ# and press the TALK (or SEND) button,
            where XXXX - 4 last digit of your credit card on file, ZZ - Recharge amount
          • You need to press * on your phone in the above dialing sequences (it is¬†a¬†star¬†character located on the keypad)
          • Activation of voice mail *146*091# and press the TALK (or SEND) button
          • Deactivation of voice mail *146*090# and press the TALK (or SEND) button
          • Check number of messages in Voice Mail *146*094# and press the TALK (or SEND) button
          • To listen to voice mail *146*095# and press the TALK (or SEND) button

          The prefix *146* and # at the end can be used from any phone. However, newer OneSimCard SIM do not require it and you should be able to dial codes directly, 091, 094, 095, 099 or 098XXXX*XX Talk.

          If you have an older SIM and the dialing does not work without entering *146*, please follow these simple instructions to remove the need to dial *146*:

          How to activate compatibility mode:

          1. Locate OneSimCard Menu.

           On iPhones it is called SIM Applications menu and is located under Settings- Phone menu

                   On Androids it is called SIM Toolkit app and it looks like one of the apps

          1. Open "OneSimCard" menu ( SIM Applications, SIM Toolkit, STK)
          2. Select "Settings
          Newer SIM Cards: Select Compatibility option and make sure "On" is selected
          Older SIM Cards: After selecting Settings:
          1. Agree with message by pressing "Yes"
          2. Dial digits "1101" and select "OK" (Screen will show "CC OptionX: ON" message)

          Bear in mind that if you have powered your telephone down, and have removed and reinstalled the battery, you will need to follow the programming steps outlined above, again.

          When dialed directly, some Nokia and other phones can display message: "Call is not allowed" or "Call is barred". Just ignore this message and wait for the ring-back for 10 seconds or so.

      38. OneSimCard General Service Questions
        • Can I send an SMS to or from a Common Access Number or Personal Extra Number?

          You can't send SMS to a Common Access Number (CAN). Common Access Numbers and majority of Personal Extra Numbers are for Voice Calls only.
          Starting December 8th, 2014 all new USA and Canada Personal Extra Numbers are capable of receiving mobile SMS. SMS received on US or Canada PEN will incur 9 cent charge.
          Starting January 10th, 2019 UK Mobile SMS numbers are capable of receiving mobile SMS.
          We recommend that SMS senders use our free online SMS or email-to-SMS functions as described in the user manual and our FAQs.

          Note: US and Canada PEN can receive only actual mobile SMS from mobile phones. Alert and verification SMS sent from web sites like Google, Yahoo or your bank will not be delivered to US or Canada PENs due to the way these web sites send there messages. 
          If you require some alerts SMS sent from banks and other institutions, we offer special US-SMS Bank Verification PEN that will be able to receive SMS from mobile numbers as well as from institutions used for 2 step verification processes.


      39. Rates and Cost Questions
        • What is your Return/Refund policy?

          We do not give refunds for airtime.

          You may return an unused phone or OneSimCard SIM card within 30 days after our shipment of the item to you, provided you never placed a call to or from the mobile phone issued, all airtime is intact and the phone or OneSimCard SIM card is new condition, in the original factory carton, including all packaging materials, inserts and manuals, warranty cards (not filled-out) and all related accessories. A 25% restocking fee will be applied and shipping charges will not be refunded. Returned merchandise will not be accepted unless a Return Authorization (an RA) has been requested and issued by our Customer Support department. The RA number must be clearly written on the outside of the box in order to be processed.

          We will not refund airtime used on mis-dialed calls. If you are not sure how to dial a number in a specific country, please request support from customer service.

          There are no refunds for sent SMS messages - either it was delivered to the recipient or not. Not all SMS messages can be or will be delivered.

          We will not refund minutes used for calls to Customer Service. A call made to Customer Service will be billed at the same rate as a regular call made from the country in which you are located.

          There will be no refunds for expired SIM Cards, even if at the time of expiration your SIM Card Account had a positive balance.

          There will be no refunds for expired SIM Card Account balances should you fail to recharge your account with at least a $25 payment within ten (10) months of your preceding $25 recharge.

          There will be no refunds of your account balance if you terminate the Service.

          There will be no charge to your prepaid account if you do not answer the call back. Contact OneSimCard Customer Support for more help.

      40. OneSimCard General Service Questions
        • Is there a way to send a SMS to a short code number?

          OneSimCard does not offer SMS service to short code numbers.

          Please note: If you do try to send an SMS to a short code then your account may be charged $9 for each message.
          We do offer special US PEN that is capable of receiving SMS from Short Codes, like those sent by Banks, Paypal and other institutions.

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