1.测试其他APP是否有声音提示，如果只是某个APP没有提示音，其他APP可正常使用，请尝试卸载该APP重新安装。
2.找到主屏幕背面左下角的塑料盖板打开，连续按下多次音量加按键调高音量。
3.如果音量仍然没有提高尝试重启机具观察是否恢复正常。
4.不要屏蔽App通知：点击设置->提示音和通知->通知->应用通知->相应APP->屏蔽，看看是不是开启了屏蔽功能，如果开启，关闭即可。
一周前更新
Copyright 2023. Intercom Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.Copyright 2023. Intercom Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
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