
Richard Johnson
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Only 1 review?! Does not work in landscape mode. Please fix. Very frustrating trying to connect to phone or tablet via Bluetooth to use controls in Boss Tone Studio app, instructions are incomplete, in all found. missing is..*You must turn on location to connect it. App is a bit hard to use not very intuitive at all. If trying to set up 4 cable method if you have an amp with FX loop, there's a good you tube video on how to by Leon Todd. Edit; does sound amazing once you get it all figured out.
Roland Corporation
March 27, 2026
Hello Richard, Thanks for your follow-up and additional info. Your review and user experience has been duly noted and documented for future review by our BOSS Product Management team.

Dave Saunders
I shouldn't have to buy a separate Bluetooth adapter to use this app... this is absurd boss! I can connect almost anything else that is way more advanced, through usb using an otg cable... but not the me-90 to the mobile app??? get bent, I will not buy that adapter! Should HAVE BLUETOOTH built-in if it's NEEDED TO RUN THE APP. would give zero stars if I could
Roland Corporation
January 5, 2026
Thank you for the review and sorry to hear you are having issues. Have you reached out through the link below? https://www.roland.com/cloud/contact-us/

Owen Strain
ho-le-moley! so difficult to connect BT dual. as stated by previous review, no where in the user docs nor in the app instructions themselves does it direct you to enable Location, which I never leave on, in order to achieve connection. only after this clue from another user review did I achieve success after time and time again attempts. I thought my unit was broken, malfunctioning or that my version of app was incompatible. come on boss! , let's dot the I's and cross the T's please!