Hi! Liyan, I am sorry! My outlook shows some character I cannot read and I did not find the answer I need. Could you kindly answer me the question in English again: 1. Does SLR 5100/ 5300 support F/W update2. How SLR5100 & 5300 update F/W? through UART or ….3. Please release SLR 5100/ 5300 F/W update tools4. Please release S/W tools document too Thanks.