Huawei P8 GRA-UL00 Faqs page 136

P8 Smartphone FAQs
10.9 Why doesn't my phone play any tone for received
SMSs?
1.
2.
3.
Issue 01 (2015/03)
Check whether the ringtone volume is muted.
Go to Messaging > Menu > Settings > General > Tone. Check whether you have set a
tone for messages.
The figures are for your reference only. The actual screens may vary.
Check whether you have enabled the do-not-disturb function.
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