Question about Sigma E500 ST for Canon Flash
I have the same problem
Posted on Nov 17, 2008
Enter in engineering mode by using code:*#3646633#
now selct option no. 5 misc.
now select option no. 6 assert testing.THATS IT!!!.....
BE SURE: Don't select any other option in Misc. setting.......it may switch off your phone and will reboot only after you reinstall its software...in simple you'll have to format your cell in order to switch on your cell.
Posted on Jul 10, 2009
a 6ya Expert can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017
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