Di2 9150 stops responding during software update. Please help.

Discuss light weight issues concerning road bikes & parts.
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by TonyM

And are you using the EW-RS910 and EW-WU111?

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Location: PNW

by eaglejackson

TonyM wrote:And are you using the EW-RS910 and EW-WU111?
No, I have the earlier D-Fly, the 101 and the older 3 port junction box mounted under the stem.

I guess the smarts are in the battery. You'd think Shimano would have made firmware updating by consumer to be more fault tolerant, and that if for some reason it had a problem, it would roll back to previous working state.

by Weenie

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