My Mobile Phone Can Travel Through Time

A young man in the 21st century received a text message from the future by chance and traveled through time on his mobile phone. However, he accidentally traveled back to the Qin Dynasty, built the Great Wall, retreated from the Huns, the great ancestor Liu Bang, and the overlord Xiang Yu... Faced with a future that cannot be changed, what choice will he make? It turns out that time travel was a conspiracy from the beginning... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.