Cracking Open the Apple iPhone 4

iPhone 4 cellular chips and accelerometer

On the left of the iPhone 4's logic boad (under the two molded rubber cushions), we find several chips with the following markings:
Skyworks SKY77542
Skyworks SKY77541

TriQuint TQM666092 1019 CHIN AR4381
STMicroelectronics STM33DH 3-axis accelerometer
Unknown 338S0626

Photo credit: Bill Detwiler / TechRepublic


Bill Detwiler is Managing Editor of TechRepublic and Tech Pro Research and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop supp...

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