iPhone 6s Plus screen flipping abnormal repair

Machine model:iPhone 6s Plus
Fault phenomenon: compass can not be used, mobile phone screen flip is not normal

iPhone 6s Plus screen flipping abnormal repair Figure 1.

Maintenance process: this kind of fault is usually caused by the damage of gyroscope chip or the chip on SPI bus connected with it.

iPhone 6s Plus screen flipping abnormal repair Figure 2.

Gyroscope.

iPhone 6s Plus screen flipping abnormal repair Figure 3.

Accelerometers.

iPhone 6s Plus screen flipping abnormal repair Figure 4.

compass.

iPhone 6s Plus screen flipping abnormal repair Figure 5.

barometer.

iPhone 6S Plus screen flipping abnormal repair Figure 6.

If the screen is not flipped normally, the compass function will be affected. The fault of replacing gyroscope chip is still the same.

iPhone 6s Plus screen flipping abnormal repair Figure 7.

Under the microscope,corrode phenomenon was found around the compass chip. When the compass was removed, it was found that PAD had a point Oxygenation.

iPhone 6s Plus screen flipping abnormal repair figure 8.

PAD add solder, soldering back the original compass chip is still not good, change a compass chip function to return to normal.This is the end of the repair!