mi a2 disply light not working

8:24

3:57

1:01

00:25

13:28

8:46

8:03

9:58

7:20

9:44

10:11

4:04

6:14

4:43

6:50

13:03

6:16

1:35

7:17

9:11

4:25

3:40

2:30

11:08

3:10

16:37

5:20

2:41

11:21

6:03

7:03

4:12

2:23

10:36

5:24

17:44

5:33

6:49

4:24

12:14

5:00

4:31

00:59

00:54

10:25

3:56

7:09

7:35

6:28

16:49

8:46

7:03

4:11

4:39

22:35

11:57

11:47

00:14

1:24

3:08