Can you re-write a modern version of the tell tale heart but the heart is a cellphone?
Sure, here's a modern version of "The Tell-Tale Heart" with a cellphone as the incriminating object:

There was a man who was deeply disturbed by his roommate's cellphone. It wasn't anything particular about the phone itself, but rather the constant notifications and rings that seemed to follow him everywhere. The man tried to ignore it, but the sound of the cellphone drove him to the brink of madness.

One night, as the roommate slept, the man crept into his room and snatched the cellphone from the nightstand. He was surprised by how easily it came to him, and for a moment, he felt a sense of relief. But as he held the cellphone in his hand, he heard a faint sound coming from it. At first, he thought it was just another notification, but as he listened closer, he realized it was the sound of his roommate's voice, recorded on a message.

The man was filled with rage and terror. He knew he had to get rid of the cellphone, but he couldn't bring himself to throw it away. Instead, he hid it in a drawer, hoping that the sound would stop. But the more he tried to ignore it, the louder the voice became.

Days turned into weeks, and the man became more and more paranoid. He was sure that the cellphone was
  Sure! Here's a modern retelling of "The Tell-Tale Heart" with a twist:

The Tell-Tale Cellphone

I knew it was there, lurking in the shadows, pulsing with an otherworldly glow. I could feel its malevolent presence, could sense its dark energy emanating from the depths of my home. It was a cellphone, a device once meant to bring us closer together, but now a harbinger of doom.

I tried to ignore it, to convince myself that its beeping and buzzing were mere coincidence. But I knew better. The cellphone was a sign, a portent of the horrors to come. And so, I knew I had to get rid of it.

I crept through the house, my heart racing with every step, my hands trembling with fear. I knew I had to be careful, had to avoid detection. But I couldn't resist the temptation, the urge to rid myself of this cursed device.

I found it in the basement, buried beneath a pile of old boxes and forgotten trinkets. The cellphone glowed with an eerie light, as if it were alive, as if it were watching me. I could feel its power coursing through the air, could sense its malevolent presence.

And then