If the top or the bottom speaker of your iPhone 6s Plus is not working, you should check something before reaching any conclusions. Check if:

• The phone isn’t connected to any Bluetooth devices or in headphone mode.
• Make sure the ringer switch is on in sound mode.
• Check for dirt or debris in the speaker grill at the bottom and the speaker hole at the top.
• Check your volume settings in Settings > Sound and Haptics > Ringer and Alerts > Volume Slider and make sure it’s on optimum level.
• If there’s still an issue of not hearing anything through the speakers of the iPhone 6s Plus or the volume levels seem too low for it may need to be repaired or replaced.

On ifixit bd, we have specialist technicians who specialize in repairing your iPhone 6s Plus. We have service points where you may have your phone get looked at by our expert repairmen. We are located in service points over Dhaka, Bangladesh.