Step 1: English Answer

Introduction:
As an expert in the field of mobile communications, I have a comprehensive understanding of how cellular data and text messaging work. I can provide you with an accurate and detailed explanation of whether it is possible to send and receive text messages with cellular data turned off.

Answer:
It is not possible to send or receive text messages with cellular data turned off. Text messaging, also known as Short Message Service (SMS), relies on cellular networks to transmit messages between devices. When cellular data is turned off, your device loses its connection to the cellular network, which prevents it from sending or receiving text messages.

How Text Messaging Works:
Text messages are sent and received through a process called store-and-forward. When you send a text message, your device encrypts the message and sends it to a cellular tower. The cellular tower then forwards the message to the recipient's device. The recipient's device decrypts the message and displays it to the user.

Cellular Data and Text Messaging:
Cellular data is a separate service from text messaging. Cellular data allows your device to access the internet and other online services. When cellular data is turned off, your device can still send and receive text messages, but it will not be able to access the internet or other online services.

Exceptions:
There are a few exceptions to the rule that you cannot send or receive text messages with cellular data turned off. These exceptions include:

* Wi-Fi Calling: Some mobile carriers offer a service called Wi-Fi Calling, which allows you to make and receive phone calls and send and receive text messages over a Wi-Fi network. With Wi-Fi Calling enabled, you can send and receive text messages even if cellular data is turned off.
* Third-Party Messaging Apps: There are a number of third-party messaging apps available, such as WhatsApp, Telegram, and Signal. These apps allow you to send and receive text messages over the internet. If you have one of these apps installed on your device, you can send and receive text messages even if cellular data is turned off, provided that you have an active Wi-Fi connection.

Conclusion:
In general, it is not possible to send or receive text messages with cellular data turned off. However, there are a few exceptions, such as Wi-Fi Calling and third-party messaging apps.read more >>

If you turn off cellular data, you will be unable to: See the cellular data icons in the status bar (for example, LTE or 3G). Send or receive MMS messages. However, you can still send and receive SMS and iMessages if you're connected to a Wi-Fi network.read more >>