C Camerajah Feb 4, 2012 83 3 5,141 Apr 13, 2013 #1 Apr 13, 2013 #1 You should remove non-oem battery grip form camera before firmware upgrade & remember to use fully charge battery,follow instructions supplied by Canon
You should remove non-oem battery grip form camera before firmware upgrade & remember to use fully charge battery,follow instructions supplied by Canon
