Harry Potter 20th Anniversary: Return to Hogwarts’ on HBO provided a pleasant start to the new year for Harry Potter enthusiasts. They now have another reason to rejoice after learning that they can ‘cast spells’ using their cellphones.

It turns out that saying ‘Lumos’ to Siri, Apple’s virtual assistant, turns on a phone’s flashlight, and this capability is also accessible on Android phones. The flashlight is turned off by saying ‘nox,’ making users feel like real-life wizards.

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Fans of the magical youngster flocked to Twitter to announce the news with gifs and memes of Harry Potter. Here are a few examples: “Just discovered that if you say “Lumos” to Siri, the flashlight turns on. Well played, Apple, well played.” “Say “Lumos” to Siri/Google assistant.” “Harry Potter fans.. tell your phone “hey Siri, Lumos” you won’t be disappointed”. “I just said “Hey Siri, Lumos” and my light turned on… the said “Hey Siri, Nox” and it turned off. My mind is blown. #HarryPotter”

Here are Potterheads reaction on Twitter –

The Harry Potter spell “Lumos” can be used to activate Android and iPhone flashlights

— UberFacts (@UberFacts) January 4, 2022

I tried it and it didn’t work. Is this a joke or am I blonde?

— Pat Did’it (@chaosisalliknow) January 4, 2022

I tried this with ‘accio twitter’ and it opened IKEA’s twitter page 😭

— fatima (@frodogotloki_d) January 4, 2022

I had to say “Lumos” and “Lumos off” but it worked.
Apparently American Siri didn’t pick up on Latin too well 🤷🏾‍♂️

— incogkneegrow (@NegusGoku) January 4, 2022

I tried the spell but instead of the flashlight I sharted and received an amber alert

— Larry David’s Proctologist (@kramerspeephole) January 4, 2022

The Wand-Extinguishing Charm (Nox) was the spell’s counter-charm, and it was used to extinguish the light from the caster’s wand.

This spell was taught at Hogwarts School of Witchcraft and Wizardry first-year Defense Against the Dark Arts and Charms classes, and it was documented in The Dark Forces: A Guide to Self-Protection, another unnamed spellbook, and the Book of Spells. This spell was also commonly employed by Hogwarts students as they skulked around the castle or the Forbidden Forest at night or in gloomy areas.