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+# Deye Microinverter Firmware
+
+> I don't take any responsibility for any damage caused by this firmware. Use at your own risk.
+> It worked on my inverter, but I can't guarantee it will work on yours.
+
+If you brick your device that's your problem. ;)
+
+Installed on a Deye SUN600G3-EU-230 and it worked fine.
+
+My feeling is that the firmware files and IP info can be released out into the wild as it's not hidden and the fact
+that there is specifically no HTTPS connection used would suggest that the manufacturer does not care about securing those files.
+
+## Firmware Update Server
+
+The IP of the firmware update server is `47.254.36.66`.
+It looks like behind this IP is the firmware update Server of Deye. At least I got greeted with an Nginx default page via HTTP.
+
+## Firmware Update Process
+
+Based on a few forum entries and the answer from Deyes support the Inverters should auto-update to the latest version
+when being up and running for 30 minutes.
+
+## URL Structure
+
+> <http://47.254.36.66/0_D0002_18/MW3_15U_5406_1.471.bin>
+> <http://47.254.36.66/0_D0002_18/MW3_16U_5406_1.53.bin>
+
+You can use the DIGEST files to verify that those files here are the same as the ones on the server.
+
+> shasum -c MW3_15U_5406_1.471.bin.DIGEST
+> shasum -c MW3_16U_5406_1.53.bin.DIGEST
+
+## Call for help
+
+If you have more information or insights into the firmware update process, alternative URLs or other information let me know.