lol, the fact that two guys above are having issues!
Rooting itself is pretty easy, the biggest issue I have seen with people trying to root is getting the CPU and the phone to work together, once ADB and fastboot are working the process itself isn't bad. Plus if you have any issues you are already a member here at AF so you know you can get support for any problem you run into.
I did the above, and it DOES recognize my GN (series of #s followed by 'fastboot').........
I'm sitting here in fastboot mode, my Q is---- how do I flash CWM while in fastboot?
ClockworkMod Method (courtesy of Koushik Dutta)
Pros:
-- simplest and fastest from what I've found
-- works for both GSM and LTE versions of the device
-- does not require a special (insecured) boot.img file
Cons: requires both adb and fastboot USB connectivity
A. if you already have the Android SDK installed with both the adb and fastboot utilities, go ahead and skip to step B.
If you don't have both adb and fastboot installed anywhere, it might be easiest to download and extract the sdk-tools.zip file referenced in the "Mini-SDK" section of this thread ADB Guide to a folder on your PC of your choosing (take note of this folder/directory's name).
B. turn off (power down) your device
C. connect the USB cable between the phone and your PC if you haven't already
D. on your PC, start-up a terminal session (Windows Command Prompt for Windows; Terminal for Mac or Linux) and navigate to the directory/folder where the adb and fastboot utilities are located:
+ for Windows, you need to start-up a Windows Command Prompt (DOS window) and type the following (for example, assuming that your adb / fastboot files are in the c:\sdk-tools folder):
Code:
cd c:\sdk-tools
+ for Mac/Linux, start-up a Terminal session and type the following (for example, assuming that your adb / fastboot files are in the sdk-tools folder):
Code:
cd sdk-tools
E. next, boot your phone into fastboot mode (press and hold both the volume-UP and volume-DOWN buttons and then press the power button)
F. if you are using Windows, install the appropriate Samsung USB drivers; note: there are several USB driver options listed at the bottom of this post; this one in particular worked very well for me and others:
[ADB/FB Driver] Naked Samsung Driver 1.7 - xda-developers
Here are some detailed notes that I took when I installed this driver on my system:
- download the Naked Samsung 1.7.zip driver referenced above
- extract that files contents to a folder like Naked Samsung 1.7
- connect your phone to your Windows PC via the USB cable
- fire-up your Device Manager:
- right click the Galaxy entry and select Uninstall
- right click the Galaxy entry and select Update Driver Software...
- select Browse my computer for driver software
- use the Browse... button and navigate to the folder where you extracted the Naked Samsung 1.7.zip file (make sure the Include subfolders checkbox is checked)
- browse to that folder name and click the OK button
- you'll be returned to the Update Driver Software - Galaxy screen; click the Next button
- you might see a red-tinted Windows Security warning saying "Windows can't verify the publisher of this driver software";
- that's okay, click the Install this driver software anyway section
- the driver software will then be installed
- after installation, you should see the window is now titled:
Update Driver Software - SAMSUNG Android ADB Interface and it will say "Windows has successfully updated your driver software", etc.
- press the Close button
- notice the the yellow warning icon is now gone and you now have a new SAMSUNG Android Phone section in the Device Manager window
and a SAMSUNG Android ADB Interface entry underneath it
- you should now be able to communicate with your device with adb or fastboot (when in the appropriate mode for each)
G. let's verify that fastboot can "see" your device
note: for simplicity's sake, I'm using the generic "fastboot" command name here; your fastboot utility might actually be named:
+ for Windows: fastboot.exe or fastboot-windows.exe
+ for Linux: fastboot or fastboot-linux
+ for Mac: fastboot for fastboot-mac
- from your PC, enter the following to verify that the fastboot utility can see your phone:
For MS/Windows:
Code:
fastboot devices (list connected devices)
For Mac/Linux:
Code:
./fastboot devices (list connected devices)
- you should see something similar to this:
Code:
sdk-tools> fastboot devices<device serial #> fastboot
J. next, you'll unlock the bootloader
*** Warning *** the next command (fastboot oem unlock) will completely wipe your device's internal "SD card"), so backup what you need / want to beforehand
Also, please note that after you issue the unlock command, you will be asked, on your phone, to acknowledge that you want the bootloader to be unlocked and that you understand that doing so will void your warranty. Use your volume rocker/keys to select the confirmation and press the power button to actually confirm.
For MS/Windows:
Code:
fastboot oem unlock (unlock the bootloader)
For Mac/Linux:
Code:
./fastboot oem unlock (unlock the bootloader)
J. That's it, your bootloader should now be unlocked and you are ready for your next step. You phone should still be in fastboot mode at this point.
If you simply wanted to unlocked the bootloader and now want to reboot your phone, you can issue a "fastboot reboot" (for Windows) or "./fastboot reboot" (for Mac/Linux) to reboot the device normally (note/warning: since unlocking the bootloader does a factory reset, your next reboot after unlocking will take about five minutes to complete--so be patient and wait for the boot animation to finish-up).
If you are not ready to reboot, but need to do other fastboot-related operations, then your phone is still in fastboot mode and ready for you.
If you don't have both adb and fastboot installed anywhere, it might be easiest to download and extract the sdk-tools.zip file referenced in the "Mini-SDK" section of this thread ADB Guide to a folder on your PC of your choosing (take note of this folder/directory's name).
B. turn off (power down) your device
C. connect the USB cable between the phone and your PC if you haven't already
D. on your PC, start-up a terminal session (Windows Command Prompt for Windows; Terminal for Mac or Linux) and navigate to the directory/folder where the adb and fastboot utilities are located:
+ for Windows, you need to start-up a Windows Command Prompt (DOS window) and type the following (for example, assuming that your adb / fastboot files are in the c:\sdk-tools folder):
Code:
cd c:\sdk-tools
+ for Mac/Linux, start-up a Terminal session and type the following (for example, assuming that your adb / fastboot files are in the sdk-tools folder):
Code:
cd sdk-tools
E. next, boot your phone into fastboot mode (press and hold both the volume-UP and volume-DOWN buttons and then press the power button)
F. if you are using Windows, install the appropriate Samsung USB drivers; note: there are several USB driver options listed at the bottom of this post; this one in particular worked very well for me and others:
[ADB/FB Driver] Naked Samsung Driver 1.7 - xda-developers
Here are some detailed notes that I took when I installed this driver on my system:
- download the Naked Samsung 1.7.zip driver referenced above
- extract that files contents to a folder like Naked Samsung 1.7
- connect your phone to your Windows PC via the USB cable
- fire-up your Device Manager:
- Windows Start button
- Control Panel
- Hardware and Sound
- select Device Manager from under the Devices and Printers section
- right click the Galaxy entry and select Uninstall
- right click the Galaxy entry and select Update Driver Software...
- select Browse my computer for driver software
- use the Browse... button and navigate to the folder where you extracted the Naked Samsung 1.7.zip file (make sure the Include subfolders checkbox is checked)
- browse to that folder name and click the OK button
- you'll be returned to the Update Driver Software - Galaxy screen; click the Next button
- you might see a red-tinted Windows Security warning saying "Windows can't verify the publisher of this driver software";
- that's okay, click the Install this driver software anyway section
- the driver software will then be installed
- after installation, you should see the window is now titled:
Update Driver Software - SAMSUNG Android ADB Interface and it will say "Windows has successfully updated your driver software", etc.
- press the Close button
- notice the the yellow warning icon is now gone and you now have a new SAMSUNG Android Phone section in the Device Manager window
and a SAMSUNG Android ADB Interface entry underneath it
- you should now be able to communicate with your device with adb or fastboot (when in the appropriate mode for each)
G. let's verify that fastboot can "see" your device
note: for simplicity's sake, I'm using the generic "fastboot" command name here; your fastboot utility might actually be named:
+ for Windows: fastboot.exe or fastboot-windows.exe
+ for Linux: fastboot or fastboot-linux
+ for Mac: fastboot for fastboot-mac
- from your PC, enter the following to verify that the fastboot utility can see your phone:
For MS/Windows:
Code:
fastboot devices (list connected devices)
For Mac/Linux:
Code:
./fastboot devices (list connected devices)
- you should see something similar to this:
Code:
sdk-tools> fastboot devices<device serial #> fastboot
J. next, you'll unlock the bootloader
*** Warning *** the next command (fastboot oem unlock) will completely wipe your device's internal "SD card"), so backup what you need / want to beforehand
Also, please note that after you issue the unlock command, you will be asked, on your phone, to acknowledge that you want the bootloader to be unlocked and that you understand that doing so will void your warranty. Use your volume rocker/keys to select the confirmation and press the power button to actually confirm.
For MS/Windows:
Code:
fastboot oem unlock (unlock the bootloader)
For Mac/Linux:
Code:
./fastboot oem unlock (unlock the bootloader)
J. That's it, your bootloader should now be unlocked and you are ready for your next step. You phone should still be in fastboot mode at this point.
If you simply wanted to unlocked the bootloader and now want to reboot your phone, you can issue a "fastboot reboot" (for Windows) or "./fastboot reboot" (for Mac/Linux) to reboot the device normally (note/warning: since unlocking the bootloader does a factory reset, your next reboot after unlocking will take about five minutes to complete--so be patient and wait for the boot animation to finish-up).
If you are not ready to reboot, but need to do other fastboot-related operations, then your phone is still in fastboot mode and ready for you.
From http://androidforums.com/verizon-ga...49-how-root-vzw-lte-samsung-galaxy-nexus.html
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