- On the rear panel of the GRL-USB-PD-C2 tester hardware, open the small panel as shown below: (If using an older GRL-USB-PD-C2 chassis, a screw driver might be required.)
- You will get access to the SD card. Gently press the SD card and remove it outside.
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Format the SD card and copy the firmware file manually.
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Make sure the respective GRL-USB-PD-C2 firmware files are copied and insert the SD card back into the slot.
- Restart the GRL-USB-PD-C2 tester hardware and wait for the screen to boot up.