This worked for me after did a factory reset. : set the date on the
device/phone before d. 9 March and configure the chromecast again, (and
then remember to correct the date to d.d on the phone afterwards), then
the chromecast should be able to updat...
On what platform, will you provide the instructions if I already made a
factory reset?The lake of official information from Google on this, is
SOO bad !!!