What's wrong with sending text messages from Apple phones to Apple phones?

1, confirm that the signal is normal and close the flight mode.

2. Check whether the SIM card status is normal. ?

3. Check whether the send key is displayed in bright color and clickable.

4. If you can't click Send after entering the text, the "Send" key is still gray. Please turn off "Show Subject Bar" in SMS settings.

5. If you send text messages to multiple people and manually enter numbers, please make sure to use line breaks instead of spaces to separate each number. ?

The series of smartphones IPhone developed by Apple is equipped with the iOS mobile operating system developed by Apple. The first generation of iPhone was released on June 9, 2007 by Steve Jobs, then CEO of Apple, and officially released on June 29 of the same year.

Development history

Apple began to develop iPhone.

In 2004, Apple convened more than 1000 internal employees to form an iPhone R&D team, and launched a highly confidential project called "Project Purple", among which Jonathan Ive, the behind-the-scenes designer of the iPhone, was one. At that time, Steve Jobs, CEO of Apple, shifted his focus from tablet computers such as iPad to mobile phones.

Apple and AT & amp； T secretly cooperated to create some software and hardware devices-Cingular wireless network at that time-AT&; T also gave Apple investment and great freedom, spending about $65.438+0.5 billion in 30 months. In exchange, Apple promised that the iPhone sold in the United States would be handed over to AT & amp； T exclusive sales.

Apple started the development plan of iPhone with the development code "Purple 2". At that time, Nintendo's NDS was popular all over the world, and the design elements such as multi-touch of iPhone were obviously affected.

654381October 9, at the 2007 annual meeting of Apple's global software developers held at the Masconi Convention and Exhibition Center in San Francisco, Jobs revealed the launch of the first generation iPhone. Two original models, the 4GB version for $499 and the 8GB version for $599, were officially released in the United States at 6 pm local time on June 29th, 2007. Hundreds of Apple fans lined up outside the American Apple Store in advance to buy.

Due to the craze and enthusiastic response after the launch of the new iPhone, it was praised as "God's mobile phone" by some media. The first generation iPhone was launched in the UK, France and Germany in June 2007 +065438+ 10, while Ireland and Austria were launched in the spring of 2008.