If the audio components are working properly, restart your phone or change the audio source and try again. If any issues are found, back up your data and take your device and proof of purchase to an authorized Huawei Customer Service Center for assistance.
Press power key to continue. Press volume up key up to 3 seconds to enter erecovery to restore your device. Your devoce will stop start, if there is no operation. Whenever I click the power button, hold the volume key up for 3 seconds or do both of them, the phone automatically just reboots to the same screen.
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