The  eSIM World, eSIM Asiania, OneSimCard Europe & More and Universal SIM cards do not use the callback to make an outgoing call in over 70 countries.
Currently, the mobile application to remove the callback on other SIM cards is not available.
How should I send an SMSÂ to get charged only 15 cents per text message?
There are two ways for SMS message to be sent:
Bear in mind that sending SMS messages to the abbreviated special SMS destinations like voting, music downloads, etc. will cost you $9.00 per message.
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This does not apply to DataMax SIM cards.
Do I need to change any settings on my phone when going abroad?
Not Really. If you are planning to use Mobile Data, you will need to enable Data Roaming on your phone. Everything else in modern phones get done automatically.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.
Is there an eSIM App for Apple iOS and Android devices?
Yes. The 1Sim eSIM app is available at:Are there any data packages available for M2M SIM cards?
M2M SIM cards provide billing of data in 1 kb increments. In addition, small M2M data packages are available in the following countries: Albania, Armenia, Austria, Azerbaijan, Belarus, Belgium, Bulgaria, Canada, Croatia, Cyprus, Czech Republic, Denmark, Egypt, Estonia, Finland, France, Georgia, Germany, Greece, Hungary, Iceland, India, Indonesia, Ireland, Israel, Italy, Kazakhstan, Latvia, Liechtenstein, Lithuania, Luxemburg, Malta, Mexico, Montenegro, Netherlands, Norway, Philippines, Poland, Portugal, Romania, Russia, Saudi Arabia, South Africa, South Korea, San Marino, Serbia, Slovakia, Slovenia, Spain, Sweden, Tajikistan, Thailand, Turkey, UK, Ukraine, USA, Uzbekistan, United Arab Emirates.What services are provided on M2M SIM Card?
OneSimCard M2M SIM Card offers Internet Data and SMS Service. Voice is not available. If you require Voice, please consider buying Expedition or Universal SIM at www.OneSimCard.com
Will I be able to see the usage details for my M2M SIM card?
Yes, all usage details and charges are available in the My SIM Card menu of the customer account.
In addition, you can filter SIM cards using the following parameters:
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