In fact, Lu Ping had discovered this the last time he was in the Heavenly Court.
Although the immortals knew the function and uses of a cell phone, there was still no such thing as using a mobile phone in the Heavenly Court.
Perhaps many people had experienced it or used it.
The Heavenly Court did not have the corresponding infrastructure.
Even if they were immortals, under such circumstances, they could only use people to inform others or use some spells to communicate.
The convenience was far inferior to a cell phone.
It was the same with the new space that Yun Xiao had created.
Although the immortals did not deliberately stay too far away, if they really wanted to inform a certain immortal alone, they still needed to send people to inform them.
Yun Xiao began to think.