Do Samsung flip phones have SIM cards?
The Galaxy Z Flip has a single SIM tray, making setting up your new device incredibly easy. Find out more about inserting and removing a SIM. If you’re looking to take advantage of all the additional functions of using dual SIMs, you can also use an eSIM with your Z Flip.
Why does my flip phone say no SIM card?
If your SIM was not installed properly, or if the SIM card tray was loose, this should fix that for you. Eject the SIM card tray on your phone, take the SIM out, wait for half a minute, put the SIM card back in, and slide the tray into your phone. After phone rebooting, check if the device reads your SIM card.

Why does my Samsung phone say no SIM card?
Your phone can only read your SIM card if the SIM card is firmly seated in its slot. If the card is dislodged or misaligned, which can occur after you drop your phone accidentally, you won’t be able to connect to your carrier. Or, if your device is new, you may not have inserted the SIM card correctly.
Can you set up a Samsung phone without a SIM card?
The short answer, yes. Your Android smartphone will totally work without a SIM card. In fact, you can do almost everything you can do with it right now, without paying a carrier anything or using a SIM card. All you need is Wi-Fi (internet access), a few different apps, and a device to use.
How do I fix No SIM card installed?
If you get an alert that says Invalid SIM or No SIM Card installed, follow these steps.

- Make sure that you have an active plan with your wireless carrier.
- Restart your iPhone or iPad.
- Check for a carrier settings update.
- Remove your iPhone SIM card or iPad SIM card from the SIM card tray and then put the SIM card back.
Why does my phone keep saying no SIM card installed?
If you get an alert that says Invalid SIM or No SIM Card installed, follow these steps. Make sure that you have an active plan with your wireless carrier. Restart your iPhone or iPad. Check for a carrier settings update.
What can a phone do without a SIM card?
As a general rule, you can use a phone without a SIM card. Smartphones without a SIM chip cannot make calls or send regular text messages on the cellular network. Secure messaging apps can replace this functionality by leveraging WiFi. Phones can call emergency services without a mobile service plan.
Why do you need a SIM card?
This card allows subscribers to use their mobile devices to receive calls, send SMS messages, or connect to mobile internet services. The information in this article should apply to both iPhones and Android phones (no matter who made your Android phone: Samsung, Google, Huawei, Xiaomi, etc.).
Can you activate old flip phones?
The good news is, you can reactivate some flip phones if they are new enough. For the very old models of days gone by, however, you may have to settle for viewing it as a fine bit of history.