Guide with all the steps necessary for you to change the proximity sensor of the Caterpillar S50 yourself.
Characteristics:
Dimensions: 77 x 144.5 x 12.7 mm
Weight: 185 g
SoC: Qualcomm Snapdragon 400 MSM8926
Processor: ARM Cortex-A7, 1200 MHz, Number of cores: 4
Graphics processor: Qualcomm Adreno 305, Number of cores: 1
RAM memory: 2 GB
Internal memory: 8 GB
Memory cards: microSD, microSDHC, microSDXC
Display: 4.7 in., LCD, 720 x 1280 pixels, 24 bit.
Battery: 2630 mAh, Li-ion (lithium ion)
Operating system : Android 4.4.2 KitKat
Camera: 3200 x 2400 pixels, 1920 x 1080 pixels, 30 fps
SIM card: Micro-SIM
Wi-Fi: b, g, n, n 5GHz, Wi-Fi Hotspot
USB: 2.0, Micro USB
Bluetooth: 4.0
Location / Navigation: GPS, A-GPS, GLONASS
To remove the motherboard, first we have to disconnect the components. We will disconnect the interconnection flex and side buttons, the digitizer flex, the proximity sensor and the antenna coaxial cable.
Now we can see that the display is still connected, so we will not remove the plate yet.