पस्तुत बुक 4G एवं 5G Android Smartphone जैसे Redmi (Xiaomi), Oppo, Vivo, Realme, Oneplus, Samsung, Huawei एवं अन्य कम्पनियो के Android Phone की Printed Circuit Board (PCB)/Motherboard/Logic Board, sub board व Daughter Board की Layout, Parts & IC Modules Location, Position के साथ Parts Sections एवं उनके Function व Mobile Chipset, Image Sensors, block diagrams, understand track connection ways (Jumper ways), difference parts between 4G & 5G Latest Smartphones in 2020, Qualcomm, Snapdragon processor, Qualcomm module, flash storage, 5G modem, RF Front-End Module, Front-End Module, power management IC (PMIC), power amplification modules, RF Transceiver, Wi-Fi & Bluetooth Module, power management IC (Display), power management IC (network), power management IC (processor), Application Processor, Audio Amplifier, Voltage Regulator, Buck-boost Regulator, FEM, Envelope Tracking IC, Camera Power Management IC, MEMS Accelerometer & Gyroscope, MEMS Pressure Sensor, Wireless Charging Receiver IC, Secure NFC Module, MST Driver, Battery Charger IC, DC/DC Converter, Supply Modulator, PAM, GNSS Location Hub, mid/high-band module, LNA/RF Switch, Audio Codec, Display Power Supply, Power Amplifier Module, OLED multitouch screen, onboard storage, waterdrop notch, selfie camera, triple rear camera system एवं अन्य parts, IC और Modules के बारे में Diagrams के साथ विस्तारपुर्वक बताती है साथ ही आपकी Android Mobile Phone Repairing स्किल को निखारनें और आगे बढानें में सहायक है ।