Have you ever met some sound-related problems when using your mobile phone? Here are some solutions to the sound-related problems of your mobile phone. 1.The phone is on vibration mode or silence mode . Many people often forget to change their mobile phones to the sound mode after setting them to vibration or silence mode.When the mobile phone vibrates in trouser pocket or in a bag, the sound is very small so that people may miss some important moment.You just need to remember to turn your phone to sound mode.2.The phone speaker is damaged. This is a hardware problem, and generally everyone needs to go to a mobile phone repair shop to repair or replace the speaker.3.The mobile phone has a software failure and the audio driver is damaged. You can try to download the audio driver yourself from the official website of the relevant mobile phone software.4.The voices of many Android phones are separated, such as multi-sound.This occur when you open two or more apps.When the phone has two sound, we just adjust one to maximum and one to minimum or just turn one off. The smartphone suddenly-no-sound solution:1.Long press the "Power" button on the top of the iPhone to open the Power On/Off option, then slide the slider to power off, and then press the power button to power on.2.You can try to restore all the settings of the phone. Open the Settings app on your phone's home screen.3.Click to open the "General" option in the settings list, then find the "Restore" option at the bottom of the general list, and click to open.4.Click to select the "Restore All Settings" option in the restore list. "Restoring all settings" will restores the system settings on the phone. This restoration may affect the data on the phone, such as photos, videos, music, so that you need to make a copy of your data. If you have tried all the above methods and still fail, then it is almost a hardware failure, and you need to send your phone to the local authorized Apple store for after-sales repairing. About OriwhizORIWHIZ is a mobile phone LCD/OLED screen and other phone spare parts' manufacturer（factory）,we offer OEM and ODM service to customers all over the world.Our products have ISO9001,CE,FCC,ROSH certificate.All of our products are manufactured by brand new materials and 100% quality test before shipping.We promise our best quality products will be delivered to our clients on time.We have professional customer service and welcome inquiry any time. Our main products include:iPhone LCD,iPhone Charging Port,iPhone Front Camera,iPhone Back Camera,iPhone ear speaker,iPhone Battery,etc.Not only iPhone related products,we also have LCD of Samsung,Oppo,Vivo,etc.