Fastboot is a protocol used by Android to diagnose and flash new firmware images on an Android devices via USB. It is part of the Android Debug Bridge (ADB).

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Unlocking the Bootloader on a Nexus One with S-On

I'm interested in rooting my (Very recently bought) nexus one, and installing Cyanogenmod over Fastboot. However, on the boot screen of my device I've noticed the first line tells me that security is ...
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Anyone have an alternative dowload site for a fastboot binary?

I'm working on rooting my android kernel and most sites list http://android-dls.com/files/linux/fastboot as the place to look for the fastboot binary. However, I've been getting a 404 (Page not Found) ...
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How to unbrick/reflash Nexus S using stock ROM, stock tools

I have a Nexus S that seems to have bricked itself. I have never modded the ROM or phone, and it was totally stock. Now, it boots right int the white Google logo and stays there forever (I let it ...
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How to unlock Nexus S 2.3.3 bootloader without having to wipe all device data?

The usual way is to execute: fastboot oem unlock But this will erase all my private data.
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Nexus One can boot only with USB fastboot

After making some changes to my Nexus One, I can't boot it normally, but I can boot it with USB fastboot, like this: $ cd 1.0-GRI40-nexusone-superboot $ ./fastboot-linux boot boot.superboot.img How ...
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Stock Android on Nexus S - “invalid magic code”

I have a Nexus S (2.3.3, GRI54/I9023, bootloader unlocked, clockworkmod recovery installed, rooted) and I'm trying to flash it with a stock system.img that I built myself (no modifications - yet). To ...
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How to boot into the bootloader when you have ClockworkMod?

I want to upgrade the radio and I'm not sure how to boot into bootloader. When I try to power the phone using VolumeDown+Power, I do get into the ClockworkMod Recovery, but it seems that this is not ...
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Recovery from fastboot

I have a Sanyo Zio that is completely non-functional but for being able to get into fastboot. Two questions: 1) I gather that the answer to this problem generally is to install a boot.img from ...
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Will fastboot not proceed with flashing if battery level is below certain percentage?

I'm trying to re-install Clockwork recovery mod (tl;dr: Android 2.3.1+ will reinstall stock recovery on every boot if it's not present). I had installed it successfully yesterday, but today it does ...
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Installing ROM from Fastboot — Can someone help?

I have a new HTC MyTouch (32A) that I tried to install a new ROM on using ROM Manager. I have done this many times (maybe 100 times), once in a while it goes wrong. Now, with this one, it can't get ...