Ingenico isc250 firmware
How to upgrade the firmware on an Ingenico iSC250 to version 14.0.6 for EMV using the USB drive and dongle from Red Rook.
3) Plug in the AC adapter or power connection and power on the Ingenico while holding down the “1” button at the same time, until a star (*) appears on the screen.
If you see the NCR logo or any other screens then the boot sequence has progressed too far, and you may use the Minus (-) and Clear buttons to restart the device if necessary.
6) Connect the USB dongle to the Ingenico USB port and then press the Minus (-) and Clear buttons to reboot.
7) Hold down the “4” key during the boot up sequence until the screen displays “USB Mass Storage.” This will be followed by a version number and “Software Activate.”
Wait about 30 seconds and the device will reboot automatically.
8) You may see an initialization screen after first reboot. Wait 30 seconds and it will reboot and initialize automatically.
9) Once the device boot has completed and displays the NCR logo, disconnect the AC power adapter or power connector, disconnect the USB dongle, reconnect the serial cable to the POS and then reconnect the power.