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iPhones were not precisely known for multiple SIM support until so long ago. Nonetheless, with the introduction of eSIMs, all iPhones after iPhone XS has since supported a dual SIM setup.  

Yet, as simple as an eSIM sounds, the process requires dealing with a few essential things before you can get your eSIM up and running. So, in this article, we will talk about what SM-DP+ address is and everything else you need to know about it. This way, you will not have to spend hours trying to get your eSIM working. 

But, before you can even start understanding the technical aspects of an SM-DP+, you should first look into the elements that make an eSIM structure. Here you go. 

First, the safe box for the eSIM information is called eUICC. It is found inside the device itself. 

Second, a user’s membership information, including their network preferences, are stored in the eSIM profile. Thanks to this, they can connect to the right mobile network with ease. 

Finally, all eSIM profiles are saved on the Subscription Manager Data Preparation system, which is found on every carrier. All the data is securely downloaded to the eUICC using this system. After being set up, an alert is sent to the SM-DP+, and now, an eSIM account can be created. 

Now that you have understood those, let us head over to what SM-DP+ address is all about. 

What Is SM-DP+ Address?

SM-DP+ address stands for Subscription Management Root-Discover Service and is utilized to connect consumer eSIM devices to a mobile network according to the user’s choice. 

This address is used to fetch the final eSIM profile the network operator created for your particular device and line. You can then download and apply this profile so your eSIM can work and connect to the carrier’s network without the hassles. 

While devices usually just download the required profiles over the air as soon as you enter your eSIM details, SM-DP+ addresses come in handy should devices cannot locate the necessary settings and have to manually download them, especially when dealing with setting up eSIM connections on iPhones. 

How You Can Find The SM-DP+ Address

There are two main ways to find your SM-DP+ address. The first is by scanning the QR code on the activation voucher, and the second is by contacting your operator. We will take a look at each of them.

1. Scanning The QR Code On The Activation Voucher

More often than not, when you apply for an eSIM, you will receive a small activation voucher containing all the necessary information you need to get your SIM up and running. This usually includes a QR code that links to your SM-DP+ address used to get the final eSIM profile.  

2. Contacting Your Network Operator 

If you did not get an activation voucher or yours did not come with a QR code or any other means to fetch your SM-DP+ address, your next best bet is to coordinate with your network operator and let them guide you through the activation procedure.

Up next, we will reveal more information you must know about eSIMs, SM-DP+ addresses, and more. 

How To Add And Activate An eSim Line On Your iPhone

New iPhone variants this year have all been able to adopt the dual SIM configuration. However, only the actual nano-SIM can be used with iOS 12. With iOS 12.1 and higher, you may start using eSIM to be able to use your iPhones XS, XR, or XS Max with both a personal and business plan. 

Requirements For Activating Secondary Lines

Because of the fact iPhones have never had a digital eSIM in the past, the process of configuring it can be a little bit difficult to understand. A dual SIM-ready iPhone XS, XS Max, or XR is obviously a prerequisite. To use eSIM on those devices, you must first have iOS 12.1 or later installed on your computer.

If you want to use separate carriers simultaneously, you will need an unlocked iPhone XS, XR, or XS Max. Otherwise, you will need to stick with the carrier with whom you already have a plan.  

Right now, only AT&T and Verizon Wireless in America accept iPhone eSIM use, and T-Mobile will follow suit shortly. Sprint has also revealed they want to enable eSIM, but there is no specific date they mentioned as of press time. Truphone and GigSky, meanwhile, support eSIM for data-only if you are going outside the United States.

Moreover, the second SIM will not work with another CDMA account if you use Verizon Wireless or Sprint as your first activated line. Apple has confirmed this. As long as your iPhone is unlocked, you will need a GSM-based plan as your backup. Unlocked iPhones can be bought directly from Apple or Verizon, and in most cases, through Sprint. 

Multiple eSIM Plans Are Supported 

When making calls or receiving them, you can only use one of your two cellular plans at a time on your newer iPhone unit. No attempt will be made to get through if you receive another call from the other plan. It will instead go to voicemail. Keep this in mind. 

If you have multiple eSIM plans, also remember that only one of them will work at any given time. This means that the other plans will be inaccessible until you manually shift or change from your current eSIM plan to another. 

Activate Another Line On The eSIM

To add a new cellular service to your new iPhone XS, XS Max, or XR, you must either utilize a QR code from your carrier, use the carrier’s software, or insert the information manually. 

And to make traveling with a nano-SIM much more manageable, we recommend you first connect with your carrier to obtain your nano-SIM account transferred to an eSIM. It is also possible, though, to activate a second or third line on the eSIM itself, such as from a data-only provider like GigSky, which caters to travelers, mostly.

How Can You Activate eSIM On An Android Device? 

There are two ways to add an eSIM to your device. The first is by manually entering the installation information from the “Manual” tab. Then, the second is through using a QR code scanner. 

Method 1: Using A QR Code Scanner

Follow these easy steps. First, select the “QR code” tab located at the top. Then, navigate to Settings. Then, choose Network & Internet.

Afterwards, next to Mobile Network, tap the Add or + icon. When prompted, “Don’t have a SIM card?,” press Next. Scan your QR code at this point, and enter the confirmation code if requested.  

Return to the “Install eSIM/Access Data” screen. After which, enable eSIM under Mobile Network. Allow Access to Mobile Data. 

Then, Permit Data Roaming. Note right here that you will need to switch off your main line to steer clear of roaming charges from the carrier provider when you are outside the country. To adjust the network settings given within the Additional Information section located at the lower portion of the chosen data package page, proceed to Network & Internet, then tap on the Mobile network. Set up your device with an APN or Access Point Name if necessary. 

Method 2: Adding The Details Manually 

You may also manually input eSIM data if you are encountering trouble detecting the barcode or if you are unable to scan the QR code. Follow these instructions to add and configure your eSIM manually. 

First, at the top, select the “Manual” tab. Second, make a note of the “SM-DP+Address & Activation Code” (manual installation information). Third, select Network & Internet. 

Then, next to Mobile Network, tap the Add or + icon. When prompted, “Don’t have a SIM card?”, purses Next. Then, select Manually Enter Code. Upon selecting this, you will be prompted to input your SM-DP+Address from the eSIM installation page. 

Next, enable your eSIM under the Mobile section. Then, turn on your mobile data. Allow Data Roaming, but please remember that you should turn off your primary line to avoid roaming charges from your carrier provider when overseas. When necessary, configure your device with an APN. 

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