*** Please Note ***
The first reboot after you've unlocked your bootloader may take about four or five minutes to complete. So, please be patient and do not pull your battery...let the boot complete (you'll see two cycles of the boot animation).
The reason for this is that you've just wiped your device, including the dalvik-cache. This dalvik-cache area needs to be rebuilt during that first reboot and that is what accounts for much of the boot time.
If you do pull the battery before this first reboot completes, just re-lock and unlock the bootloader again.
-----------------------
Here's the "TL;DR" (too-long, didn't read) version for those that don't have USB connectivity issues and already know how to use fastboot:
Code:
fastboot devices (verify fastboot connectivity) fastboot oem unlock (unlock the device)
And here are the full, detailed instructions (click the "Show" button below):
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):
+ 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):
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
http://androidforums.com/galaxy-nexus-all-things-root/470831-big-how-thread-under-construction-check-back-soon.html#post3711706
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:
For Mac/Linux:
- you should see something similar to this:
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:
For Mac/Linux:
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 unlock 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.
In addition to my notes / instructions above, here are some other threads that might prove helpful to 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
Code:
cd sdk-tools
F. if you are using Windows, install the appropriate Samsung USB drivers
http://androidforums.com/galaxy-nexus-all-things-root/470831-big-how-thread-under-construction-check-back-soon.html#post3711706
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)
Code:
./fastboot devices (list connected devices)
Code:
sdk-tools> fastboot devices <device serial #> fastboot
*** 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)
Code:
./fastboot oem unlock (unlock the bootloader)
If you simply wanted to unlock 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.
In addition to my notes / instructions above, here are some other threads that might prove helpful to you:
- http://androidforums.com/galaxy-nexus-all-things-root/464427-how-unlock-bootloader-using-mac.html
- How to: Unlock the Galaxy Nexus Bootloader (droid-life)
- Video: How to Unlock the Bootloader on the Galaxy Nexus [Verizon] – Droid Life
- http://androidforums.com/galaxy-nexus-all-things-root/464427-how-unlock-bootloader-using-mac.html
0 comments:
Post a Comment