Upgrade steps:

1ˇ˘Power off, pull out the SD card and insert it into the computer, run the upgrade program iuw.exe, upgrade file 20230804.img make to upgrade the card.

(refer to the document PhoenixCard_en.pdf in the upgrade package)

2ˇ˘Insert the SD card into the doorbell, then turn on the power, the doorbell indicator will flash, when the indicator is no longer flashing, it means the upgrade is successful.

3ˇ˘Power off, pull out the SD card and insert it into the computer, run the upgrade program to restore the SD card to a normal card.

   (Refer to the document PhoenixCard_en.pdf in the upgrade package)