How To Manually Upgrade Firmware (ASH21)

If the cloud upgrade fails on your device or the upgrade has made your device go offline the device can be restored manually.  To upgrade the device manually you will need a microSD card and physical access to the device. For more information on how to manually upgrade the firmware, please refer to the information provided below. 

Note: Before upgrading the device manually you will need to downgrade it to revert it back to its original state. Ensure the device is powered on during this process and the microSD card is properly formatted to FAT32 before proceeding. For more information on how to format your microSD card click here.

Step 1: Download the update.img file here and place the file onto a microSD card, please note, a microSD card adapter will be needed to move the file from the computer to the microSD card. 

Step 2: Insert the microSD card with the update.img file on it into the device. 

Step 3: Remove the device from power, press and hold the reset button, then reconnect the power supply. 

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Step 4: Once the LEDs are flashing green and red you can release the reset button. The device will begin to automatically upgrade. 

Step 5: When the upgrade process is complete the device will reboot, once initialized the LED will flash green indicating it is ready to be added back onto your Amcrest Smart Home account. 

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