Most apps can be downloaded and installed without a SIM card. As long as you are near a local Wi-Fi connection, you can use your smartphone to: These tips are also handy if your phone is not getting enough signal strength. Now let us take a look at how to use a smartphone without a SIM, or an active cell phone plan. Those of you who are still using CDMA network, you may not have a SIM card in your handset. Please note that SIM card is part of GSM based networks. For example, a Wi-Fi call is not routed through the operator’s network.
If the call is not being routed through the operator’s network then a SIM card is not required. It is the main database of permanent subscriber information for a mobile network. It then establishes the location of the user, and stores it in the operator’s Home Location Register – HLR. It identifies the user in the operator’s network and authenticates the user with the cellular service provider. After verification, the SIM can be removed as the apps do not require a SIM card or a service plan to functions seamlessly.Ī SIM card holds the International Mobile Subscriber Identity or IMSI. Most of the Android based apps need an active phone number to create and authenticate the Google account. I have used my old Samsung Duos GT-S7562 to test the working of each detail mentioned.
Yes, a smartphone can work without a SIM card if it is connected to a Wi-Fi network as it can route its calls through that network. Let us take a look at how to use a smartphone without a SIM card or an active service plan. The potential benefit of using a smartphone sans the SIM are powerful and worth exploring. However, the service plans are country specific so many of our readers may not have thought of using a smartphone minus the SIM card services. Have you ever thought of forgoing the SIM service plan but still use the smartphone in smarter ways? Maybe not the new phone but the old phone that you are about to discard? It is all about making your tools serve your goals and explore their potential. These days everybody you know owns an expensive smartphone with an equally expensive mobile service plan.
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