Reboot into the bootloader interface to begin the flashing procedure.
-Next, extract the factory images and run the script to flash them. Note that the
- fastboot command run by the flashing script requires a fair bit of free
- space in a temporary directory, which defaults to /tmp:
Next, extract the factory images and run the script to flash them.:
unzip crosshatch-factory-2020.04.14.23.zip cd crosshatch-qq2a.200405.005 ./flash-all.sh-
Use a different temporary directory if your /tmp doesn't have enough
- space available:
mkdir tmp -TMPDIR="$PWD/tmp" ./flash-all.sh-
Wait for the flashing process to complete and for the device to boot up using the new operating system.
@@ -276,6 +268,16 @@ TMPDIR="$PWD/tmp" ./flash-all.sh Troubleshooting +A common issue on Linux distributions is that they mount the default temporary file
+ directory /tmp as tmpfs which results in it being backed by memory and
+ swap rather than persistent storage. By default, the size is 50% of the available
+ virtual memory. This is often not enough for the flashing process, especially since
+ /tmp is shared between applications and users. To use a different
+ temporary directory if your /tmp doesn't have enough space available:
mkdir tmp +TMPDIR="$PWD/tmp" ./flash-all.sh+
A majority of failed flashes tend to be caused by substandard USB connectors, plugging in via hubs or bad cables which aren't properly up to the USB standard. The scrollback from a failed flash will contain valuable diagnostic information which