Fix the *Accessory Update Required* Error on the PAX Terminal {#pax-terminal-install-sw-accessory-update-error}
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The `Accessory Update Required` error appears on the PAX terminal when the installed version of the Android SDK is incompatible with the BroadPOS P2PE version installed on the device.  
To resolve this issue, update the terminal to the latest SDK version. For assistance with the update process, contact [customer support](https://developer.cybersource.com/support/contact-us.md "").