1. Download the prebuilt SDK :
- - **x86** : [qemux86-64](https://download.automotivelinux.org/AGL/release/lamprey/latest/qemux86-64/deploy/sdk/poky-agl-glibc-x86_64-agl-demo-platform-crosssdk-corei7-64-qemux86-64-toolchain-12.0.0.sh)
+ - **x86** : [qemux86-64](https://download.automotivelinux.org/AGL/release/lamprey/12.1.0/qemux86-64/deploy/sdk/poky-agl-glibc-x86_64-agl-demo-platform-crosssdk-corei7-64-qemux86-64-toolchain-12.1.0.sh)
- - **ARM 32 bit** : [qemuarm](https://download.automotivelinux.org/AGL/release/lamprey/latest/qemuarm/deploy/sdk/poky-agl-glibc-x86_64-agl-demo-platform-crosssdk-armv7vet2hf-neon-vfpv4-qemuarm-toolchain-12.0.0.sh)
+ - **ARM 32 bit** : [qemuarm](https://download.automotivelinux.org/AGL/release/lamprey/12.1.0/qemuarm/deploy/sdk/poky-agl-glibc-x86_64-agl-demo-platform-crosssdk-armv7vet2hf-neon-vfpv4-qemuarm-toolchain-12.1.0.sh)
- - **AARCH64 - ARM 64bit** : [qemuarm64](https://download.automotivelinux.org/AGL/release/lamprey/latest/qemuarm64/deploy/sdk/poky-agl-glibc-x86_64-agl-demo-platform-crosssdk-aarch64-qemuarm64-toolchain-13.0.0.sh)
+ - **AARCH64 - ARM 64bit** : [qemuarm64](https://download.automotivelinux.org/AGL/release/lamprey/12.1.0/qemuarm64/deploy/sdk/poky-agl-glibc-x86_64-agl-demo-platform-crosssdk-aarch64-qemuarm64-toolchain-12.1.0.sh)
*Henceforth,* **qemux86-64** *is used in these guides, unless specified
otherwise.*