• Warning!!

    Riding a tuned or deristricted EMTB is not a trivial offence and can have serious legal consequences. Also, many manufacturers can detect the use of a tuning device or deristricting method and may decline a repair under warranty if it was modified from the intended original specification. Deristricting EMTB's can also add increased loads for motors and batteries. Riding above the local law limit may reclassify the bike as a low-powered bike, requiring insurance, registration and a number plate.

    Be aware of your local country laws. Many laws prohibit use of modified EMTB's. It is your responsibility to check local laws. Ignoring it, has potential implications to trail access, and risk of prosecution in the event of an accident.

    UK Pedelec Law

    Worldwide Laws

    We advise members great caution. EMTB Forums accepts no liability for any content or advice given here. 


Firmware downgrade Shimano - STUnlocker

chainring

Member
Oct 18, 2020
2
0
british columbia
Hello - new member here. I have an e8000 and have purchased the license. Great product! However I would like to try to downgrade to firmware 4.6.1 or 4.3.2 and have found instructions, but am having trouble locating the files. Would anyone here be kind enough to point me in the right direction to find the correct files? Feel free to send pm's. Thanks in advance!
 

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