FREQUENTLY ASKED QUESTIONS

We are here to help you get answers to your questions about OneSimCard phones and services.

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11. Troubleshooting Questions
    • I can't send SMS from my iPhone

      There is a known bug with iPhone phone book. If you are trying to text to a contact that is entered in the phone book, and the contact is not entered in proper international number format, the SMS will not go through even if you just enter the number in the SMS menu directly and properly. 
      Please edit the record in the phone book to be +CountryCode_Number. It needs to have the + character in front, which is an equivalent of 00.

      You will also need to delete all recent attempts to send SMS to this number from the Messaging menu. It should be no conversation or attempts to send SMS left in the phone to this number.


      We understand that this is very frustrating, but do not know why Apple will not fix it. This problem affects only Apple phones.

      Example: for US Number 1-617-600-8250 you should have entered in the address book: +16176008250
      Delete existing text conversation after fixing the phone book record. 
      You can always test your SMS by sending SMS to OneSimCard Support number +16176008250 from your OneSimCard phone. This will create an automated ticket in the system and you will know if the message was delivered or not. You will be charged regular SMS rate for this message.
12. OneSim VoIP
    • When making an outgoing call how do I select which way the call should go: through regular roaming or through OneSim VoIP?

      To make an outgoing call using OneSim VoIP, you need to be registered on a Wi-Fi network and have the OneSim VoIP app running on your phone. You should make the call using the OneSim VoIP app dial pad. To make a call the regular roaming way,you should make a call from your regular phone dial pad. 

      NOTE: Regular roaming calling is NOT available on DataMax or DataMax eSIM cards. To use voice you will need to use the OneSim VoIP app

13. OneSim VoIP
    • How does OneSim VoIP work when the call is received?

      When someone dials your OneSim VoIP enabled Personal Extra Number (PEN), the system will first check if your OneSimCard phone is registered with the OneSim VoIP app on a Wi-Fi network. If it is registered, the call will be sent using VoIP. If the OneSim VoIP app is not running or it is not registered on a Wi-Fi network, then the call will be sent using the standard OneSimCard roaming network and charged our standard roaming rates.
14. How To Use Questions
    • How Do I Check The Balance Of Purchased Data Plan?

      There are three ways to check the remaining balance of purchased data plan.

      1. On-line in the Discount Section of the My SIM Cards menu of your web account or in the mini account at https://ma.onesimcard.com/ 

      2. For eSIMs from the OneSim eSIM app

      3. From OneSimCard mobile phone (for Universal, Expedition and eSIM World SIM cards only): 

           Dial the following: *146*942#

       

      The remaining data balance will be displayed.

15. How To Use Questions
    • There is no OneSimCard Menu (SIM Toolkit) in my Android phone. How can I fix this?

      Some recent Android upgrades to versions 4.2.1 and 4.2.2 have a bug causing the OneSimCard Menu, labeled as SIM Toolkit, to be disabled.

      If you do not see the SIM Toolkit app in your Android phone, please try doing the following:

      Go to Settings>Security>Other Security Settings>Setup SIM Card Lock>Lock SIM Card. It will ask for the default SIM PIN. Enter 0000. Power off the phone and turn it back on. The SIM Toolkit app will then become available, though it might take 1-2 minutes for the phone to display it.

      On Android version 5.1 go to Settings > SIM Cards > SIM Toolkit

      Once you have access to the SIM Toolkit, select it, scroll down to Settings, enter 1101 and press confirm. Your phone will now be able to dial normally.

      For eSIM cards, make certain that your eSIM is enabled.

       

16. How To Use Questions
    • How can I contact customer support?

      There are a number of ways you can contact customer support.

      However, before you contact us, we strongly recommend that you review our FAQ/Help section, as well as the OneSimCard User Guide that was sent to you with the SIM card or the phone package. If you lost or forgot the User Guide, you can download it from the Help menu of your online account. Most of your potential questions have already have been answered on our FAQ pages.

      If you still need help, here are the options:
      1. There is online live chat at www.onesimcard.com available during normal business hours.
      2. You can submit your support request or questions at http://www.onesimcard.com/contact-support/
      3. You can call us 001-617-313-8888 during normal business hours. Keep in mind that when calling from your OneSimCard enabled phone this is not a free call. New! First 3 minutes are free when calling customer support from a OneSimCard enabled phone.
      4. You can call from your OneSimCard mobile phone by dialing 096 then pressing Talk/Send. This is not a free call. New! First 3 minutes are free when calling customer support from a OneSimCard enabled phone.
      5. You can submit your support request from your OneSimCard phone by sending a free SMS to 9111. We will review your question and will reply back with an SMS to your OneSimCard phone.

      Please try to be specific in your SMS messages. You do not have to include your OneSimCard number in your SMS request. Please list a brief summary of the problem and we will do our very best to provide you with assistance.
17. How To Use Questions
    • How do I recharge using 1SIM Fund?


      First you need to make sure you have funds in your 1SIM Money Fund.

      You can do this by going to your 1SIM Fund menu and adding money from your, Visa Cards enrolled in Verified By Visa program, MasterCard enrolled in the Secure Code program or Bitcoin.

      Once you have money in your fund, then you can add funds to the phone service by one of the following methods:

      To recharge from your onesimcard.com portal:
      1. Go to Recharge Menu and recharge your SIM
        or
      2. Set up auto-recharge in Recharge Settings Menu

      To recharge from the phone using 1SIM Fund:

      Before being able to add money using 1SIM Fund from the phone, you need to log in to your onesimcard.com portal and create a PIN in 1SIM FUND menu.

      To recharge from the phone with Universal, Expedition, or eSIM World SIM Cards:
      • From the OneSimCard menu of your phone, scroll down to Add Credit and select this option.
        You will see 'Please enter PIN' on the screen.
        Enter 4 digit 1SIM Fund PIN + * + Amount + press the OK.
        For example, if you need to add $50 and the PIN is 8654:
        You would dial 8654*50 and press OK. In few seconds you will get a confirmation message with your new balance.
      • Alternatively you can do the same from the main dial menu of the phone by dialing: 098+PIN+*+Amount+ Talk (Send) button.
        For example, if you need to add $50 and the PIN is 8654:
        You would dial 0988654*50 and press TALK. In few seconds you will get a confirmation message with your new balance.
            * is a star character located on the keypad

      Money will be deducted from your 1SIM Fund balance.
18. How To Use Questions
    • Can I forward calls from my OneSimCard phone to another number?

      Yes. Your Universal, Expedition and eSIM World OneSimCard mobile number can currently be forwarded to EU, Canada, USA, Russia, Ukraine and Belarus numbers. It's 100% free to forward your OneSimCard phone number to many countries including to U.S. or Canadian numbers. Forwarding to some countries, as well as to satellite phones, will carry a forwarding charge as listed in the Rates & Coverage page on OneSimCard.com.

      To enable/disable call forwarding from your online account:

      Log in at OneSimCard.com and go to the My SIM Cards menu. Select your SIM card number and enable/disable Call Forwarding on this screen.

      To enable/disable call forwarding from your phone:

      Dial *146*081*XXXXXXXXXXXXX# and press Send/Talk (where XXXXXXXXXXXXX is the forward-to number in international format: 00+countrycode+number)

      Newer SIM cards use *81* instead of *081*

      Example: to forward to U.S. number 1-617-555-1212, dial *146*081*0016175551212# and press Send/Talk.

      If you get an "Unknown Format?" message, dial *146*81*0016175551212#

      To disable call forwarding, dial *146*080# and press Send/Talk. If you get an "Unknown Format?" message dial *146*80# and press Send/Talk.

19. Rates and Cost Questions
    • How much does it cost someone in the US or Canada to call to my OneSimCard cell phone?

      For Universal, Expedition, and eSIM World SIM cards, many U.S. and Canadian carriers can charge more than $3/minute to connect to an Estonian mobile number, the primary mobile number for a OneSimCard global SIM card. Your SIM card includes a U.S. number which will be much less expensive for people to call.

      Callers can also use one of the Common Access Numbers (CAN) that we provide to you free of charge in more than 10 countries. Your OneSimCard account will simply be charged an additional 20c/min to the incoming rate in the country you are in to receive those calls. There is also the option of ordering a dedicated Personal Extra Number (PEN) in Canada and many other countries that will forward all calls directly to your OneSimCard cell phone. You can see the list of countries where PENs are available here:

      You can order a Personal Extra Number when placing your order or later at any time by logging in to your account. Visit our Rates & Coverage page and choose any country to view all rates.

      If you would prefer for the caller to pay for calls made, we recommend they buy Peanuts Prepaid. Using this service would guarantee a connection to your OneSimCard mobile phone from the U.S and Canada for 20c/min and it is very easy to use without switching your LD carrier.

      For Physical 3-in-1 DataMax and DataMax eSIM, if you chose to use SIM VOIP app, your friends and family will call the PEN number you are assigned, so in most cases, there will be no tariff for them to call you, and the cost to receive the call is only $0.01/Minute.

20. Rates and Cost Questions
    • Does calling a mobile phone cost more than calling a landline?

      It does not cost more to dial an international mobile number using OneSimCard service on traditional cellular connections. You will receive the same very low per minute rate whether calling to a mobile phone or to a land line. 

       

      For OneSim VoIP, the cost of calling Mobile numbers is typically higher than calling landlines, but this method is still less than traditional voice calls in most countries..


      You can find all rates listed on our Rates & Coverage page.

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