Software Installation
This section provides the method to load the software onto the Verifone P400 PIN pad from a USB Memory Stick.
Transferring Files Using System Mode
Enter the password
Enter the 7-digit default passwords 1111111, 1668321, or 7263549 at the prompt. If the PIN pad was sent in for repair the password may have been reset to 1668321. After entered, it will prompt to be reset.
The required password minimum is 7-digits.
PIN pad owners are responsible for maintaining the password for the device after the default password has been changed. Should a device owner forget the password, the unit must be sent to the Verifone repair facility to be reset.

File Loading Order
Verifone P400 Full Installation
See the release notes for the current version and updated installation steps.
Make sure to unzip the files downloaded from the Verifone Premier Portal to obtain the .TGZ file.
Use these steps in order to do a full installation of the Verifone EVPAY and components on Verifone P400 PIN pad.
Load the OS VOS2 release
Load the OS VOS2 release dl.vos2-prod-Engage-release-XXXXXXXX.tgz file. If the PIN pad prompts to reboot, select “Yes.”
Installing a current operating system over OS version 30620500 or lower without an intermediate step-up version may cause the device to fail, requiring it to be sent in for repair. See VASC Field Service Bulletin 0322_002 posted at the Premier Portal under Manage > Petro Downloads > General VASC Info > VASC Bulletins for more details.
Load the application
Load one of the following Verifone P400 files for the application. If the PIN pad prompts to “Run Apps”, press Cancel and then press the Red X button until you return to the Information menu. At the Information Menu, select Exit and then at the prompt, reboot the PIN pad.
Load the Verifone P400 application for 7.02 Kernel Engage_Evpay-X.XX.XX-rXX-Kernel-702-ProdSigned.tgz file. If the PIN pad prompts to Reboot, select “Yes.”
Load the Verifone P400 application for 7.03 Kernel Engage_Evpay-X.XX.XX-rXX-Kernel-703-ProdSigned.tgz file. If the PIN pad prompts to Reboot, select “Yes.”
Verifone P400 Upgrade Installation
See the release notes for the current version.
Make sure to unzip the files downloaded from the Verifone Premier Portal to obtain the .TGZ file.
Use these steps in order to do an upgrade of the Verifone EVPAY and components on Verifone P400 PIN pad.
Load the application
Load one of the following Verifone P400 files for the application. If the PIN pad prompts to “Run Apps”, press Cancel and then press the Red X button until you return to the Information menu. At the Information Menu, select Exit and then at the prompt, reboot the PIN pad.
Load the Verifone P400 application for 7.02 Kernel Engage_Evpay-X.XX.XX-rXX-Kernel-702_Upgrade-ProdSigned.tgz file. If the PIN pad prompts to Reboot, select “Yes.”
Load the Verifone P400 application for 7.03 Kernel Engage_Evpay-X.XX.XX-rXX-Kernel-703_Upgrade-ProdSigned.tgz file. If the PIN pad prompts to Reboot, select “Yes.”
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