Anas (May Allah be pleased with him) reported:
A man said: "O Messenger of Allah! I love Surat-Al-Ikhlas [Say: He is Allah, (the) One]." He (ﷺ) said, "Your love for it will admit you to Jannah."[At-Tirmidhi]. (ID)
App reference (ID): Book 9, Hadith 23 (ID)
Arabic/English book reference (ID): Book 9, Hadith 1013 (ID)