"The Prophet would perform I'tikaf during the last ten (days) of Ramadan until Allah took him."
Jami` at-Tirmidhi Book 8, Hadith 109
← Previous Hadith The Messenger of Allah said: "Whoever stays with a people, then he is not to fast without their permission."

Jami` at-Tirmidhi Book 8, Hadith 108 Next Hadith → "When the Messenger of Allah wanted to perform I'tikaf, he would perform Fajr prayer and then he would enter his place of I'tikaf."

Jami` at-Tirmidhi Book 8, Hadith 110