4 Jan 2011 broonie   » (Journeyer)

Building firmware images for Nexus S

Since I couldn’t seem to readily find any useful instructions for building firmware images for the Nexus S I thought I’d publish some. In a clean directory this sequence of commands should result in a working set of application layer images. They assume you’ve already got all the Android build dependencies installed:

repo init -u git://android.git.kernel.org/platform/manifest.git -b gingerbread
repo sync
export MYDROID
. ./build/envsetup.sh
make PRODUCT-full_crespo-user

The resulting images will be in the directory out/target/product/crespo. You can get this running on your device by flashing the boot, recovery and system images:

out/host/linux-x86/bin/fastboot flash boot out/target/product/crespo/boot.img
out/host/linux-x86/bin/fastboot flash recovery out/target/product/crespo/recovery.img
out/host/linux-x86/bin/fastboot flash system out/target/product/crespo/system.img

Note that using these firmware images will void any warranty you have on the phone – you’ll need to unlock the phone using fastboot oem unlock, but note that this is irreversible.

Similar instructions should work for Nexus One too, using passion instead of crespo in the make command above.

Syndicated 2011-01-04 16:03:54 from Technicalities

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