![Just got finished replacing a motherboard on a 3DS LL and saw this dev menu app on it I don't know if it came from a dev 3DS but will this stop Just got finished replacing a motherboard on a 3DS LL and saw this dev menu app on it I don't know if it came from a dev 3DS but will this stop](https://preview.redd.it/2r3b39pi30x61.jpg?width=640&crop=smart&auto=webp&s=7502991eb63c9575e869525f1987c92240486588)
Just got finished replacing a motherboard on a 3DS LL and saw this dev menu app on it I don't know if it came from a dev 3DS but will this stop
Tutorial] Installing Dev Firmware and Dev Apps on Retail 3DS | GBAtemp.net - The Independent Video Game Community
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Blazblue: Clone Phantasma [Decrypted] 3DS (USA) ROM - https://www.ziperto.com/blazblue-clone-phantasma/ | Clone, Playstation portable, 3ds
![Can't get any .CIA files to install with devmenu.3ds | GBAtemp.net - The Independent Video Game Community Can't get any .CIA files to install with devmenu.3ds | GBAtemp.net - The Independent Video Game Community](https://gbatemp.net/data/avatars/l/347/347871.jpg?1417189527)