Introduction
The official iPhone 6s loudspeaker replacement guide can be found here.
iPhone 6s Plus loudspeaker may has these problems:
The speaker volume is low;
The speaker is muffled because of juice immersion or dust pollution
Low volume in videos and the volume is not adjustable;
The speaker is not working;
The speaker is broken or damaged.
Follow this video to replace the broken loudspeaker of iPhone 6s Plus.
Parts
Conclusion
To reassemble your device, follow these instructions in reverse order.
Please add screw measurements. Thanks
CPR Roseville -