While all eyes are on the new Nintendo Switch Lite, Nintendo has quietly made a request to make some changes to the original Nintendo Switch. These changes include a new chip and processor that could theoretically improve the performance of the original Switch.
As reported by The Verge, Nintendo submitted a new filing to the Federal Communications Commission (FCC) requesting permission to alter an existing device. In this case to make changes to FCC ID: BKEHAC001, which refers to the original Nintendo Switch.
Source: IGN.com Nintendo Is Quietly Updating the CPU on the Original Switch