The benefit of the chip is hacking the Nintendo Switch; I just install the chip. The programming and other tasks are up to you—you can search for the method online. Regarding the chip, it must be provided by the customer. The best place to buy it from is AliExpress, and it's called "picofly rp2040 modchip"; you should choose the appropriate chip for your device model and purchase it. Prices: Regular Switch and enhanced battery models: 100 SAR OLED Switch model: 200 SAR