1. Americas: IFP**50 - Gen 1, IFP**50 - Gen 2, IFP**50 - Gen 3. 

2. Asia Pacific & Africa: IFP**50, IFP**50-2, IFP**50-3.

3. Europe: IFP**50, IFP**50-2EP, IFP**50-3EP.

Please refer below steps to unlock:

1. Prepare a FAT32 formatted USB drive.

2. Unzip Unlock.zip attached and copy to the USB drive root directory.

3. Insert the USB to IFP50 USB 2.0 port, it will unlock automatically.

<Note>To unlock permanently, please go to Debug menu->Player Setting->Usb Key Lock and turn it to off.

attachment URL: https://support.viewsonic.com/helpdesk/attachments/33009835077