If your laptop is part of a deployment, the choice of security, security + preactivation, or no security is defined by the deployment.Developer keys are required for some operations. Give One, Get One 2007 and Give One, Get One 2008 customers received laptops with the security system fully enabled, but the laptops are also preactivated meaning that they do not require an activation.Laptops can have the security system active but also be preactivated meaning that they will never request or use an activation, even though the rest of the features of the security system remain active.Therefore, when the security system is disabled (with a developer key), activations become irrelevant: they are not needed for system operation. The activation system is part of the security system.An activation key or activation is a file named lease.sig containing a cryptographic signature tied to a specific XO laptop and provides the ability for the system to run up until a set date and time.A developer key is a file named develop.sig containing cryptographic information tied to a specific XO laptop that can be used to disable various security features.You may still use the instructions in the rest of this page if you wish.
Note: as of October 2021, OLPC has released Persistent developer key firmware to disable the activation and developer key system on a laptop.
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