Ch341A Programmer Tutorial. If you already get your modified bios then go to step 2. The ch341a supplies the power to the board so you do not need to plug in the wndr3700 into the wall.
Use the spi ch341a mini programmer to write the bios on the spi chip. Sign in to add files to this folder google apps main menu missing: If you do so, you may damage your ch341a.