iPhone 7 is notorious of this greyed out loudspeaker/ recording error due to broken pads on motherboard, it occurs due to motherboard being in constant stress which causes the chip to desoldered from the motherboard lifting few pads with it which ends up losing its microphone and earphone while making calls and this problem is widely known as an Audio IC. This fault with motherboard is completely fixable and its cheaper to get fixed rather then buying a new phone. If you have same issue please do not hesitate to contact us.

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