Hi,
I have a Shimano Di2 R8070 groupset and yesterday when I connected the system to the PC (via SM-BCR2 charger) it gave me option to upgrade.
Four components were on the list: shifters, WU111 and battery BT-DN110.
All went well untill the battery, then it just disconnected and died.
PC link over the charger doesn't see any components and connecting/disconnecting the battery doesn't give any light on the junction box.
As far as I found I need the SM-PCE1 cable to force the firmware on the battery, is there any other option?
This is a brand new bike asembly and when everything was on the table I updated all without a problem so I didn't have any fear of software upgrade (seems that this upgrade is my last ). All upgrade problems I saw on Internet were over mobile phone so i presumed cable should work great.
One more frustration is that Canyon mounts the battery above the BB in downtube, so if I need to replace it, new BB that is in can go into trash.
Shimano Di2 firmware failure
Moderator: robbosmans
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