How does Apple reduce the volume to 70% while retaining all the chips? Apple adopts folding design
The picture below shows the motherboard of grade A unlocked iPhone X compared to the motherboard of the original iPhone.
The chips on the refurbished iPhone X motherboard include:
Red: Apple APL1W72 A11 Bionic SoC, Hynix 3 GB LPDDR4x RAM Orange: Apple 338S00341-B1
Yellow: Texas Instruments 78AVZ81
Green: NXP 1612A1
Light blue: Apple 338S00248 audio decoder
Pink: Apple 338S00306 Power Management IC
The chip on the back includes:
Red: Apple USI 170821 339S00397 WiFi / Bluetooth Module
Orange: Qualcomm WTR5975 gigabit LTE Transmit Receiver
Yellow: Qualcomm MDM9655 Snapdragon X16 LTE Tuned to Decoder and PMD9655 PMIC
Green: Skyworks 78140-22 Power Amplifier, SKY77366-17 Power Amplifier, S770 6662, 3760 5418 1736
Light blue: Broadcom BCM15951 touch controller
Blue: NXP 80V18 PN80V NFC Control Module
Pink: Broadcom AFEM-8072, MMMB Power Amplifier
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