A flip phone does not require a SIM card.
First things first
People who use flip phones don’t need a sim card because they don’t use phone numbers. Flip phones use text messages, which are sent directly to the phone.
Can Flip Phones Work Without Sim Card
Some flip phones use GSM technology, and others use CDMA technology. CDMA technology is an older version of cell phone technology that doesn’t require SIM cards in order to function properly. If a flip phone doesn’t have a SIM card, it can still be used to make and receive calls, but some features, like using the internet, may not be available. If a flip phone does have a SIM card, it can be used to make and receive calls, as well as use the internet.
Do Flip Phones Require a Data Plan
Most flip phones do not require a data plan in order to use basic features like browsing the internet and sending emails. However, some flip phones do require a data plan in order to use more advanced features, like downloading games or using GPS.
Is a Phone Usable Without a Sim Card
Android smartphones can be used without a SIM card. You can use them just like you would use a regular phone if you have internet access and a few different apps.
What Size Sim Card Does a Flip Phone Use
A SIM card is a card that is used in a phone to connect to the network. There are three common SIM card sizes- Standard, Micro-SIM, and nano-SIM. Nano-SIM cards are the smallest and are found on some newer flip phones like the LG Classic Flip. They are not compatible with any other phone.
Where Is the Sim Card in a Flip Phone
Some flip phones have a SIM card in the battery compartment. To insert the SIM card, open the battery compartment and locate the SIM card slot. The nano-SIM card should have metal contacts facing down and the notched edge going in first. Push until it is all the way in. To remove, press down on the stopper below the SIM card slot and slide the nano-SIM card down.
What Happens if You Take a Sim Card and Put It in Another Phone
If you take a sim card out of one phone and put it in another phone, the new phone will ring if someone calls the number on the old sim card.
To sum up
Do you need a SIM card for a flip phone? For flip phones, no, you do not need a SIM card.