We are here to help you get answers to your questions about OneSimCard phones and services.
How do I install my eSIM?
Before purchasing, please ensure you have verified that your device is unlocked and one of the supported devices. Installation is completed by using your phone to scan the QR code of the purchased eSIM. You may scan the QR code by displaying it on the computer screen, another device, or a printed copy.
If you’ve already purchased OneSimCard eSIM, you can see full installation instructions and access your QR code from the Recharge menu in your online account. Make sure eSIM is selected in the Select SIM Card drop down menu.
If you have not purchased your eSIM yet, learn more about international eSIM here.
Can I install my OneSimCard eSIM more than once?
You can re-install the eSIM on the same phone up to 10 times. eSIM can be installed only on one device. Once installed, it's not possible move that eSIM to another device. If you need to install eSIM on another phone, please order a new eSIM. Balance and PEN(s) from the old eSIM can be moved to a new eSIM at your request.How to estimate the amount of internet data usage on my device?
General estimates for the amount of data used per service |
||
Activity |
Data Usage |
Services |
|
||
1 text only email with no attachment |
15KB |
6820 |
1 with attachment (attachments can vary greatly in size) |
300KB |
340 |
Web Browsing |
||
1 static page visit |
300KB |
340 |
The estimate is just for viewing the page without |
 |
 |
Social Media |
||
1 social media post with photo |
350KB |
290 |
1 Instagram picture upload |
150KB |
680 |
1 WhatsApp text message |
5.5 KB |
18610 |
Uploading and viewing pictures, playing videos, |
 |
 |
Music |
||
1 min of streaming music |
500KBÂ (30MB/hour) |
200 |
Downloading a 3-min song |
3.7MB |
25 |
Video |
||
1 min of streaming video (standard) |
4MBÂ (240MB/hour) |
25 |
1 min of streaming video (HD) |
15MBÂ (900MB/hour) |
6 |
Note:Â Data usage varies by device. The above examples are estimates only. The actual amount of data used for the described activity can vary.
Standard definition (SD) video streaming rate: 533KBPS
High Definition (HD) video streaming rate: 2000KBPS
1MB = 1,024KB
1GB = 1,024MB
I just activated my SIM card and can't make a successful test call. What's wrong?
If you just activated your SIM card and can not make a test call by following the instructions in the user manual, you will likely just need to power off the phone and power it back on again. The phone should automatically re-register with one of our partner networks. Remember, if you answer the test call when it rings you will be charged for the call.Can I call using OneSim VoIP from countries where OneSimCard does not offer roaming coverage?
Yes. You can call from absolutely anywhere as long as you have a good Wi-Fi connection.What kind of payments do you accept?
We accept Visa, MasterCard, Discover, American Express and Bitcoin.
U.S. corporations can pay with company checks, ACH or wire transfer. No order will be processed until funds are cleared
For international customers with credit cards issued outside of the U.S. we require the order to be verified using the OneSimCard verification procedure. We do accept credit cards from most foreign countries.
Attention:Â Customers from the following countries must use Bitcoin option only (we will not accept credit cards as a form of payment): Congo, Egypt, Ghana, Lebanon, Nigeria, Pakistan, Palestine and Syria.
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To make it simpler, you can deposit money into your OneSimCard Money Fund and then use the funds to make all purchases at OneSimCard.com including airtime recharges.
How do I know if USA, Canada or UK Mobile PEN I order is capable of receiving SMS?
To see if your PEN is capable of receiving SMS, please log in to your on-line account at www.OneSimCard.com. In the Recharge Menu next to the PEN you will see if it is SMS capable or not. You can also see there if this PEN could be used for VOIP or not.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/Â
2. For eSIMs from the OneSim eSIM app
3. From OneSimCard mobile phone (for Universal, Expedition and eSIM World SIM cards only):Â
   Dial the following: *146*942#
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The remaining data balance will be displayed.
How do I recharge using 1SIM Fund?
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.
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