how to update firmware settings on an epsom et2850

3:33

4:06

7:05

7:02

5:04

1:34

4:09

2:44

2:40

2:00

2:58

2:07

12:32

1:45

2:58

2:58

3:14

4:48

2:07

1:48

14:46

2:01

3:41

7:49

5:35

3:49

کوتاه

کوتاه

4:19

15:13

4:08

7:04

4:19

12:25

10:47

3:24

7:04

کوتاه

7:18

4:48