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0

I'm seeing the same issue. Booted into download mode, and neither fasboot nor ADB see the device (MacOS 10.9). They are working for me on my Nexus 5, so it's not an ADB/fastboot driver issue or anything.


0

I had this problem. I fixed it by updating fastboot and adb from the latest SDK. I had older versions installed from the Ubuntu repos. Note: I still for that error message, but the flash proceeded rather than halting.


0

According to this XDA thread it's an issue with the bootloader file. You could try downloading a different factory image for your device and try the bootloader from there instead (the recent images have all had the same 4.23 version, although different files). Does anyone else get a "invalidState" and "signature mismatch" message when trying to flash ...


2

Had the same issue right now. fastboot oem lock didn't find the device. Disconnected the device from USB and held the power button for 10s to reset. Booted like a charm afterwards


-1

Had the same problem and decided to turn it off and after it turned itself back on and fixed the problem. (So dont everyone freak out it might just need to be turned off really quick)


0

Had exactly the same on my Nexus 7 2012 just now. Flashed the factory image, device remained stuck at the boot logo. went to bootloader and did "fastboot erase cache" along with "fastboot erase userdata". Still the same never ending boot logo. Put the device back into bootloader mode again, ran "fastboot oem lock", restarted and the device quickly ...


0

I'm having this exact same issue. I'm going to try flashing 4.4 again and see if I can at least get it up and running again. Edit: I was able to get it booting my locking the bootloader. (run fastboot oem lock from bootloader)


1

Linux/OSX Run fastboot as root or with sudo. Other OS: credits


0

Try using: adb sideload root.zip That is generally the way for SuperSU. To be honest, a recovery would be better long term and in the time it takes for me to reply and you to read this you'd have it done! Might be worth considering. As far as I understand you need a custom recovery to do this. I would recommend installing one. However, you could try ...


2

According to the CyanogenMod Wiki, you should be able to flash each partition separately – if you've got an image for it. Quoting: Common fastboot commands fastboot flash recovery recovery.img fastboot flash boot boot.img fastboot flash cache cache.img fastboot flash userdata userdata.img fastboot flash system system.img Following this list ...


0

I had the same problem and I could fix it changing the usb port, it works!


0

I had the same problem, but it turned out that adb didn't have to see the device in order for fastboot to see it. I'm guessing you want to flash Android 5.0 to your Nexus 7? I just did that by following these instructions. An extra thing I had to do was adding a udev rule, as described here. (However, I removed the GROUP ="plugdev" part of the rule, since ...



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