Turns out I got the signature error because I had an unlocked bootloader (but with a stock ROM). I tried to relock and now I'm bricked like this thread. 
[Guide] How to apply an update.zip to a stock Xoom (3G/WIFI) (with a USB-Host cable)
- Thread starter Bauxite
- Start date
so how do u Restore back to stock boot, system, recovery if ur xoom is rooted n has a custom kernel?
You may lose customizations going back stock.
http://xdaforums.com/showthread.php?t=1052644
here is the link .
No problem! Hope you get it soon. I wanted one cause I figured it would be good to have on hand in case there was a need to plug in a USB device.
Sent from my Xoom using Tapatalk
This is just a suggestion if you don't have a USB Host Cable. Can someone confirm? I have a rooted Xoom and do not want to revert to try this out.
However if you have a USB Hub. Can't you first plug in your Xoom using the normal usb cable and then plug in a FAT32 USB Drive into the USB Hub. That way no need for a Host Cable. You just have the Xoom and USB plugged into the hub which then links them together. Since you can get a hub for cheap at the store no need to order a host cable online and wait for it to ship it there. This also is how I would connect my keyboard and mouse simultaneously to the xoom.
I apologize if this doesn't work, but it seems right to me.
However if you have a USB Hub. Can't you first plug in your Xoom using the normal usb cable and then plug in a FAT32 USB Drive into the USB Hub. That way no need for a Host Cable. You just have the Xoom and USB plugged into the hub which then links them together. Since you can get a hub for cheap at the store no need to order a host cable online and wait for it to ship it there. This also is how I would connect my keyboard and mouse simultaneously to the xoom.
I apologize if this doesn't work, but it seems right to me.
What an amazing idea...trying now.
Edit:
Forget that...my USB hub is mini-usb to regular USB. If it was regular to regular I'd be good to go...damn, back to waiting for the OTA for me.
Does this work for anyone else?
Last edited:
Thanks so much Bauxite. I was able to use your instructions to update my 3G Xoom with out any problem whatsoever.
Reset
Just did a factory reset on my WIFI Xoom. After it connected to my wifi it said update available. Said yes and running great.
Just did a factory reset on my WIFI Xoom. After it connected to my wifi it said update available. Said yes and running great.
everytime i adb reboot recovery i get to an android guy with an exclamation point and i can't do anything. after a few minutes it just reboots itself...
any ideas?
any ideas?
Assuming the poster is talking about something like this: http://www.bestbuy.com/site/PNY+-+M...Id=2300514&st=micro usb flash drive&cp=1&lp=2
I think the "micro" is referring to the size of the drive (meaning "small") and not the connector size.
Its tough to be sure without an image, but id bet its a regular USB connector with "micro" drive.
Can anyone confirm?
The micro he is refering to is indeed the size of the connector, not the drive. You need to plug into the bottom of the Xoom and thats micro, not standard USB, hence the need for a micro cable
Don't order this, I went over there on my lunch break because it's across the street, and their website is wrong I was told. They don't have this at all, not even at their main warehouse
No, I got that, I know what size the connector needs to be, I mean when the poster said that he saw that bestbuy had "micro usb flash drives for about 24 bucks." he may have seen something similar to what I linked to.
I for one have never heard of or seen anything that resembles a usb drive with a microusb connector outside of some at home project someone posted. Definitely not at BestBuy.
$2.20 on DealExtreme w/ 1 cents shipping
Can't get better than this, right?
http://www.dealextreme.com/p/micro-usb-on-the-go-host-otg-adapter-pair-50774
Can't get better than this, right?
http://www.dealextreme.com/p/micro-usb-on-the-go-host-otg-adapter-pair-50774
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15Hi everyone, I just managed to get my completely stock Xoom updated via USB host-cable... some instructions:
REQUIRED:
USB HOST CABLE
FAT32 USB THUMB DRIVE
3G Instructions:
1) Place the update.zip (can have any filename you like) on the usb stick.
2) Connect the USB stick to the host cable and connect the host cable to the Xoom.
3) Power off
4) Power on, tap (ONLY TAP) volume down a few times until you get a list of options you can cycle through.
5) Select Android Recovery
6) Tap Volume up to boot into recovery
7) Hold power and tap volume up at the green android screen to get the BLUE recovery menu
8) Select apply update from USB drive
9) Select your update.zip from the menu... enjoy!
As for the 3.1 Update, if you get into a boot loop, just hold power and volume up to get out of it.
WIFI ONLY USERS:
There is no menu option for android recovery, you'll need to use:
adb reboot recovery
you can plug in the usb stick at the green android guy screen1Anyone searching for a cheap host cable can find one here: http://www.amazon.com/gp/product/B00474OYLG . It also ships pretty fast.
Sent from my Xoom using Tapatalk1
I just tried adb reboot recovery as suggested above and then swapped the cable for the flash drive as someone suggested above. I got into recovery and had the option to Update Via USB but it failed each time saying that it couldn't be mounted. I've tried 2 drives. I don't know if I'm not switching over fast enough or maybe I have a bad host cable.
