why is my iphone not ringing loud

1:08

6:40

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10:03

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1:41

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7:42

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2:00

3:05

16:53

2:18

27:20

6:30

9:02

4:08

5:04

59:14

کوتاه

2:54

2:03

2:59

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27:20

1:13

5:00

27:20

14:35

13:47

1:41

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5:00

6:08