We are here to help you get answers to your questions about OneSimCard phones and services.
How can I dial '+' on my phone when making call?
Note: You can always dial 00 instead of + when making outgoing calls. For example, to reach OneSimCard customer service in the USA you can just dial 001 617 3138888.
You should consult the phone manual for this info. Different manufacturers have specific ways to access the '+' key, so make sure you know yours.
Here are few known ways:
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Do international cell phones purchased from OneSimCard come with a warranty?
Unless otherwise noted, all phones sold on OneSimCard.com come with our standard 90-day replacement warranty. This warranty covers any mechanical defects, but does not include damage due to Acts of God, neglect, water damage, or other intentional or unintentional abuses of the phone. OneSimCard does offer extended warranties available for purchase.
How long will it take for my OneSimCard to be delivered?
Your order will be shipped the next business day.
We offer several delivery options for shipments to the USA:
Your order should arrive in 1-5 business days,Tracking is available for US deliveries. It is not available for international deliveries.
Next day delivery to most locations in the USA
1-2 business days
For orders shipped outside of USA:
You will get more detailed information about the delivery to your destination when you start placing your order.
Any eSIM order does not require any shipping so this is a great way to avoid shipping costs and time. Just download and go!
Is there a nano-SIM version available for my iPhones or other phones?
Yes! Just select "nano size" or buy a 3-in-1 SIM that contains all 3 sim sizes during checkout.
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 PEN subscriptions are activated right after the order has been processed. The activation is virtuallyinstant, 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.
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Can I check my Voice Mail from a phone other than my OneSimCard phone?
Yes. You can access the Voice Mail from other phones.What is 1SIM FUND?
The OneSimCard Money Fund allows you to pay for OneSimCard services by means other than credit cards and also by Visa and Master Cards enrolled in the credit card security programs:
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Once you deposit money into your OneSimCard Money Fund through one of above methods, you can use this fund to recharge your SIM(s), order a second number, or make any other payment for orders placed at OneSimCard.com.
OneSimCard Money Fund additions are non-refundable. However, the money you put into the fund does not expire. There are no fees applied to the fund maintenance either.
Example 1
You are in Kenya and can't pay using a credit card. You would like to purchase a OneSimCard SIM for $39.95, and also be able to add airtime (recharge) later. You will also need to pay for shipping.
First step - you need to add funds to your OneSimCard Money Fund. It's up to you what amount you would like to send us, but it should be large enough to cover your purchases. Let's say you posted $200.00 to your OneSimCard Money Fund.
Once the money is received, we will send you a confirmation email. Then you can log in to your OneSimCard.com account and place your order. It will be instantly processed and the money will be deducted from your OneSimCard Money Fund account.
Example 2
You have 3 SIM cards and 3 personal second numbers.
You want to set up auto-recharge for SIM1 and SIM2 in $25 increments and the third one in $50 increments. You also want to extend (recharge) your Second Numbers every month.
Let's say you put $500 into your OneSimCard Money Fund account. Now you can set up $25 auto-recharges on your 2 SIMs and $50 auto-recharge for your 3rd SIM, as well as and automatic extension of your second number.
This option allows many users around the word to take advantage of OneSimCard.com services without using a credit card.
Example 3
You use your credit card account to add money to the 1SIMCard Money Fund. The transaction from a credit cardl is instant. Funds will be instantly added to your 1SIM Card Money Fund, and then you can use the Money Fund to make any purchase at OneSimCard.com.
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How to estimate the amount of internet data usage on my device?
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General estimates for the amount of data used per service |
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|
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 |
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 |
|
Social Media |
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|
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 |
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|
1 min of streaming music |
500KBÂ (30MB/hour) |
200 |
|
Downloading a 3-min song |
3.7MB |
25 |
|
Video |
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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
Can I upgrade my Standard SIM to a Universal, DataMax or DataMax eSIM SIM or my regular size SIM to a micro or nano SIM?
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.
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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.Â
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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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