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 Post subject: Di2 E-tube app woes
PostPosted: Mon Oct 31, 2016 10:20 pm 
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Joined: Wed Aug 27, 2014 5:26 am
Posts: 239
Location: PNW
I used the Shimano E-tube iPad app yesterday with my Di2 equipped bike. The bike has the updated battery (BT-DN110) and updated D-fly (EW-WU101). I was able to BLE connect the app to the bike with no problem, and it recognized correctly all the appropriate Di2 components on my bike. So far so good.

The app showed that the firmware for all the components was up to date, except for the battery. It asked if I wanted to update the battery firmware and I said yes.

It downloaded the firmware and got to 100% on the progress bar, and then stopped. It wasn't clear to me if 100% was 100% downloaded but not yet installed, or 100% done with the installation. It warned me of disconnecting during the installation so I waited... And waited. And waited. After I couple of hours, I concluded it had to have hung; no way it could legitimately take a couple of hours to install firmware for a battery.

So I killed the app.

Now the bike doesn't shift anymore. Nothing about Di2 works. I plugged in the charger, the charger doesn't show it's charging. I press the button on the junction box, no lights.

I restarted the e-Tube app and BLE connected to the bike. It detected a failed install of the battery firmware and said it needed to download the firmware and overwrite the battery firmware currently installed.

OK, sure. Now the screen said, The firmware is currently being overwritten. Do not disconnect until overwriting is complete. The progress bar goes to 100% and stays stuck there. 22 hours later, same thing.

I don't own a PC (only Macs now) so can't install the firmware from the PC via the DI2 cable. And the Di2 is still dead.

I took the bike to the shop to get them to manually install the battery firmware. They couldn't get it to install even with a wired connection. The battery was nonresponsive. They replaced the battery with a new one and are sending the old one back to Shimano under warranty.

Now it works fine.

When I got home, I was able to connect the E-tube app to the bike again. It said there was an update to the battery firmware, did I want to install? This time I said no :)


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 Post subject: Re: Di2 E-tube app woes
PostPosted: Mon Oct 31, 2016 11:50 pm 
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Joined: Thu Jul 19, 2012 6:09 pm
Posts: 1109
Location: Loveland, CO
I had a similar problem with a firmware upgrade where the installation had stalled. To unfreeze the system I had to bring the bike to a shop and used their diagnostic/updater to overwrite the corrupt firmware. You would think the Shimano software engineers have thought about many failure possibilities but no.


Sent from my iPhone using Tapatalk


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 Post subject: Re: Di2 E-tube app woes
Posted: Mon Oct 31, 2016 11:50 pm 


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 Post subject: Re: Di2 E-tube app woes
PostPosted: Tue Nov 01, 2016 1:35 am 
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Joined: Fri Dec 23, 2011 9:26 am
Posts: 61
Same thing happened to my battery. It was bricked from the firmware update. It's either that version of firmware or the app. I was using the PC version of the app.


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 Post subject: Re: Di2 E-tube app woes
PostPosted: Tue Nov 01, 2016 3:30 am 
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Joined: Wed Aug 27, 2014 5:26 am
Posts: 239
Location: PNW
sun wrote:
Same thing happened to my battery. It was bricked from the firmware update. It's either that version of firmware or the app. I was using the PC version of the app.

Interesting... If I was using the iPad version wirelessly and you were using the PC version via cable, and both our batteries were bricked, then that sounds like a firmware problem. But what do I know, I'm a software guy not a hardware guy.


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 Post subject: Re: Di2 E-tube app woes
PostPosted: Tue Nov 01, 2016 3:31 am 
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Joined: Wed Aug 27, 2014 5:26 am
Posts: 239
Location: PNW
pdlpsher1 wrote:
I had a similar problem with a firmware upgrade where the installation had stalled. To unfreeze the system I had to bring the bike to a shop and used their diagnostic/updater to overwrite the corrupt firmware. You would think the Shimano software engineers have thought about many failure possibilities but no.
Sent from my iPhone using Tapatalk

My shop was unable to overwrite the corrupt firmware with their diagnostic/updater so replaced the battery.


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 Post subject: Re: Di2 E-tube app woes
PostPosted: Tue Nov 01, 2016 3:35 am 
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Joined: Sun Jan 26, 2014 3:44 am
Posts: 723
I had something very similar while trouble shooting an issue with my front mech.

Application decked it on my rig, so I unplugged the cable from my bike and the shifting was completely dead.

Solution;

I put the cable back in, reloaded the application, went into config, the just 'completed' the operation without changing anything. Shifting came back alive.

_________________
My Youtube Channel; Technical Bike Stuff, LOLz and Neo-Noir visions from the mirror realm


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 Post subject: Re: Di2 E-tube app woes
Posted: Tue Nov 01, 2016 3:35 am 


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 Post subject: Re: Di2 E-tube app woes
PostPosted: Tue Nov 01, 2016 7:16 am 
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Joined: Fri Sep 06, 2013 5:14 pm
Posts: 41
Looks like I got lucky and I couldn't get BT to connect to start with (classic RTFM). After thinking this may have been firmware related, I updated the new battery the old school way which worked fine.


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