Samsung Electronics is taking to the Big Apple to reveal its next big challenge to Apple Inc.: a successor to its top-selling Galaxy S III smartphone.

The Korean company has rented New York’s Radio City Music Hall for an event this evening. The company has hinted that it will reveal the Galaxy S IV phone.

It’s not known what the new phone will look like or how it will differ from its predecessor, but there’s speculation that Samsung will once again increase the screen size.