Yes. If you would like to upgrade your Standard, Plus, Europe & More, Expedition version SIM card to a Universal, DataMax, or DataMax eSIM SIM card, or upgrade a regular size SIM card to a micro-SIM card (for example, to use in an iPhones) then place your order online by selecting the product option on our Mobile Accessories page here. In the shopping cart you will be able to select your upgrade.

 

You can order discount Call, Text and Data packages from your OneSimCard web account after you have received and activated your OneSimCard. 

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:

1. Log into your account at OneSimCard.com
2. Click on the My SIM Cards menu links
3. If you have more than one SIM card, make sure the SIM Card you’d like to activate a discount package for is selected
4. Navigate to the Discount Service Plans section and select a discount package you would like to activate
5. Click Activate Now to activate the selected package immediately or Activate Later to schedule the activation on a particular date.

 

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: 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.

 

In order to add airtime instantly, simply register a credit card with us on our website.

There are several ways to add airtime to your OneSimCard service.
Automatic Recharge - recommended:

1. Just log on to your account at www.onesimcard.com and set auto-recharge in the Recharge Menu. Funds will be added to your account when your balance drops below the threshold you set.

From the phone using your credit card (Universal, Expedition and eSIM World only):

1. a) From the phone dial pad dial 098YYYY*XX. Talk. YYYY = Last 4 digits of the credit card used last at OneSimCard.com. YY = Amount from 25 to 99 USD

 For example, if you need to add $50 and the last 4 digits of the credit card registered with us 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
From the phone using 1SIM Fund:
 a) From the phone dialpad dial 098YYYY*XX. Talk. YYYY -  4 digits PIN you created in 1SIM FUND menu. YY Amount from 25 to 99 USD

 For example, if you need to add $50 and the 1SIM FUND 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

From the OneSimCard.com web interface:

1. You must log in at www.onesimcard.com each time you wish to add funds.
2. The minimum recharge amount is US $25.00
3. Using Recharge PIN purchased from a dealer:

If you purchased a recharge PIN from OneSimCard Authorized dealer, you can recharge your account from OneSimCard handset from OneSimCard - Add Credit menu. When the Add Credit menu is selected, enter the 10-digit PIN and press the Talk (Send) button. 

For Universal, Expedition, & eSIM World ONLY: Just dial 099 "Send" from your OneSimCard phone and in few minutes the balance will be displayed on the screen of your phone. Customers with iPhones can use OneSimCard Assist app to check balances and many other things.

You can always check your current balance by logging onto your OneSimCard account at www.onesimcard.com.

There are two ways for SMS message to be sent:

• From the OneSimCard application menu called OneSimCard - TravelSMS. To send the message, you need to locate OneSimCard menu on the phone and then scroll down to TravelSMS menu. Sending text message this way is the least expensive and will cost you 15 cents per message from any country.
• Usual way from SMS sending menu of the phone. It cost 40 cents per text message from most countries with the exception of few countries where the rates are higher.
  Find detailed rate information here.

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.

 

This does not apply to DataMax SIM cards.

1. Go to Recharge Menu and recharge your SIM
   or
2. Set up auto-recharge in Recharge Settings Menu

• 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.

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.

Yes! Our myOneSim app for the iPhone devices will let you easily access many account services, such as recharging your account, checking voicemail, ordering discount voice and text plans, and much more. MyOneSim is available for download from the App store. Find more information in the Help section of your online account.

 

DataMax SIM cards can't be managed by myOneSim app at this time