[[File:IMX6UL-serial-downloader-flow-chart.jpg|thumb|center|600px|Serial download boot flow]]
In case <span id="manuf_mode">''Manufacture mode''</span> is enabled, before probing UART and USB interfaces, BootROM tries to boot from SDHC1 interface if any device is connected to it.
USBOTG1: this interface is connected to J55. The use of this port is user defined.
[[#manuf_mode|''Manufacture mode'']] is enabled.
==References==
{{reflist}}