Joke Collection Website - Public benefit messages - Why does the ringtone of Apple's mobile phone suddenly become louder during voice calls?
Why does the ringtone of Apple's mobile phone suddenly become louder during voice calls?
Remind me of this number.
Most mobile phones are set in this way, and the volume will increase when there is a phone, reminding everyone to answer the phone in time.
There are always important things in the mobile phone, so the volume will be higher, so don't let everyone miss it.
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