Guide with all the steps necessary for you to change the headset of the Caterpillar B15Q yourself.
Characteristics:
Dimensions: 69.5 x 125 x 14.95 mm.
Weight: 170 g.
SoC: MediaTek MT6582M.
Processor: ARM Cortex-A7, 1300 MHz , Number of cores: 4.
Graphic processor: ARM Mali-400 MP2, 416 MHz, Number of cores: 2 RAM memory: 1 GB, 533 MHz.
Internal memory: 4 GB.
Memory cards: microSD, microSDHC, microSDXC.
Display: 4 in., LCD, 480 x 800 pixels, 24 bit Battery: 2000 mAh, Li-ion (lithium ion).
Operating system : Android 4.4.2 KitKat.
Camera: 2560 x 1920 pixels, 1920 x 1080 pixels, 30 fps.
SIM card: Mini-SIM.
Wi-Fi: b, g, n, Wi-R Hotspot, Wi-Fi Direct USB: 2.0, Micro USB.
Bluetooth: 4.0.
Location / Navigation: GPS, A-GPS.
First we will remove the rubber protector from the audio connector as it covers two of the screws in the center housing. For this we remove the Phillips screw (PH # 00) that holds it.
Now we can remove the four Torx screws (T4) that hold the case and also remove the battery.