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Greg Williams
Works at Lime Robot
Lives in Cincinnati, OH
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Greg Williams

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Pretty cool. I might have to get one of these for my Glass. He has polarized versions coming too.
 
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If your Glass is experiencing the XE16.1 boot loop, you can recover from it by re-flashing the factory system image from 
https://developers.google.com/glass/tools-downloads/system

This technique requires you to use the Android tool, fastboot, and I'm told it only works on OSX or Linux.

Here are the instructions:

Download and install the Android development tools from http://developer.android.com/tools/index.html

You'll find the fastboot application in your platform-tools subdirectory of the Android development tools main directory.

Next, download the Glass system factory image from https://developers.google.com/glass/tools-downloads/system
and unzip the files into a sub-directory. You'll want to run fastboot from that subdirectory.

Now, power off your Glass by holding the power button for 15 seconds.
Put your Glass in fastboot mode: while holding the camera button, press the power button as you would to turn it on. Keep holding the camera button until the power light comes on and then pulses every 4 seconds.

Now connect Glass to your computer via its USB cable.  Verify Glass is in fastboot mode and detected by your computer using the command:

fastboot devices

You should get a response like:
015ECD89A8D983DF    fastboot

if you get 
??????????????????      fastboot
then wait a couple seconds and run the command again until you get a response with your device's ID number.

Next, unlock Glass. You'll need to run the following command twice.  The first time you'll get a warning about voiding your warranty.  If you're worried about this, contact Glass Support and they'll help you do this and absolve you of any wrong doings. :-)

fastboot oem unlock
fastboot oem unlock

You should get a message saying that it's erasing personal data, erasing cache, and unlocking.  It will probably hang after that. Don't panic.  Give it about 5 minutes and then power it off and power it back into fastboot mode like you did before.

Now you should be in fastboot mode and unlocked.  Check that it's connected again by using the command:

 fastboot devices

If you are, execute the following commands in the directory where you unzipped your system images:

fastboot flash boot boot.img
fastboot flash recovery recovery.img
fastboot flash system system.img

The last one will take a few minutes because it's a big image.

Now clear your userdata, cache, relock Glass, and reboot:

fastboot erase userdata
fastboot erase cache
fastboot oem lock
fastboot reboot

Your Glass should now reboot without the boot loop.  Mine seemed to hang initially on the "GLASS" screen and I powered it off and then back on.  Eventually I got the message "Glass is updating" and then the "Welcome to Glass" screen.

Finally, just follow the on-screen prompts to setup your Glass.
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I used this technique to recover my Glass from bootloop, but wanted to mention I did it on Windows 7 (instructions mention that it might only work on OSX or Linux). In fact, it wouldn't work on OSX for me (2013 Macbook Pro Retina). I was seeing what +Dustin Sallings was seeing oem unlock hanging on "..." The trick to get it to work on Win7 for me was getting the USB driver for Glass to install, which required updating the device IDs in the Google USB driver (get this from the Android SDK) INF file to match the exact device ID of my exact unit (get these from Device Manager).
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Photos from the first Cincinnati Google Glass and Wearables Meetup on 4/17/2014. #throughglass  
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Greg Williams

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Anyone know what kind of tent this is in my tree?
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Empire Records fans, don't forget to celebrate Rex Manning Day on Tuesday, April 8th!
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What?????
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Have him in circles
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Nice information video on net neutrality.
 
This is such a great explanation!
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+David Martineau is a SW Ohio surgeon who uses his +Google Glass in surgery.
 
As promised, here's a couple shots of me using +Google Glass + Rx lens Surgical telescopes in the OR! Very pleased with the combination and functionality. Thanks again +Designs for Vision, Inc. and +Orthopedic Associates of SW Ohio. Even got the chance to do some teaching with one of our residents +Jason Spangler!
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+Greg Williams thanks for the repost!
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Seems about right....
 
This should happen at least once in any developer's lifetime. 
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Sounds great, I can't wait!
 
Design, Develop and Distribute at I/O 2014
#io   #io2014   #developers  

Whether you're a developer who's interested in the latest developments in the Googleverse or someone who wants to build the next billion dollar app, Google I/O is the ticket for you. The registration window will open at 4pm PDT today (April 15) and will remain open until April 18 at 2:00 PM PDT.
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Say no more mon amour! Happy Rex Manning Day! #RexManningDay
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Celebration bonfire after hearing of Ohio signing new basketball head coach Saul Phillips. #BobcatNation #OhioBobcats
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I hear he's good!

Sent from my iPhone
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Have him in circles
239 people
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  • Lime Robot
    Owner / Developer, present
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Pilot. Ohio Bobcat. Android developer.
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Very good food at a reasonable price. The gyros and are large and very tasty.
Public - a week ago
reviewed a week ago
Surprising good. From the outside it looks like a dive, but inside is much nicer. Food was great. Service was responsive if you ask -- they were a bit understaffed.
Public - 8 months ago
reviewed 8 months ago
I recommend the spinach-feta-gyro omelet. It's a little unusual, but yummy. The home fries are very bland, but after the omelet, I was full anyway. It's a good mom & pop style breakfast restaurant.
Food: Very goodDecor: GoodService: Very good
Public - a year ago
reviewed a year ago
4 reviews
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They have a large supply of batteries. I've had no problems buying replacement UPS batteries there. Some of their staff is knowledgeable, but not all, so if you don't seem to be getting the information you need from the person who is helping you, politely ask if there's someone else who knows more that you can talk to.
Quality: ExcellentAppeal: ExcellentService: Very good
Public - a year ago
reviewed a year ago