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What is an eSIM?

An embedded-SIM (eSIM) or embedded universal integrated circuit card (eUICC) is a form of programmable SIM card that is embedded directly into a device. It is introduced after SIM cards (Mini, Micro and Nano). But unlike SIM card, it is not removable card. In machine to machine (M2M) applications where there is no requirement to change the SIM card, this avoids the requirement for a connector, improving reliability and security. An eSIM can be provisioned remotely; end-users can add or remove operators without the need to physically swap a SIM from the device.
An eSIM is basically a small chip inside your phone and works in a similar way to the NFC(Near-field communication) chip. The information on an eSIM is rewritable, meaning you can decide to change your operator with a simple phone call. They're really easy to add to a data plan – connecting devices with eSIMs to a mobile account can be done in minutes.

Benefits of eSIM:

You’ll be able to change carriers without having to get a new SIM. You can change carriers or your plan in your phone settings. This means less time speaking with carriers, and ordering and waiting for new SIMs. Software does everything.
No specific slot is required unlike SIM cards.
You can use one number for business and another number for personal calls.
Have separate voice, text and data plans.
There is no possibility to lose the card as it is tied to the device itself...

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Form Validation Using Jquery

When you include forms on your website for user input you need form validation using jquery, it is always advisable to perform some validation on the data entered in your web designing. This not only ensures that your application receives the type of data it can work with, but it also makes for good UX (user experience) as users will be able to be warned of the incorrect input and be given hints of the kind of data that is acceptable.

include these files in your HTML file.

required Form in your file.....

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