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Advanced Cellphone Hardware and Software Training
Complete practical training covering basic electronics, main board servicing, OCA rework and mobile software servicing.
Basic Electronics
- Detailed explanation of electronic components, properties, applications and biasing.
- LDO, Buck Regulators and Boosting circuits.
- Components checking using multimeter — open, short and leakage components.
- Detailed explanation of schematic diagrams, reading and understanding. (Borneo, DZKJ etc.)
Main Board Servicing
- Network section components, RF, 4G and 5G ICs, voltages, control and clock signals.
- Network section problems, analysing and rectifying tips and tricks.
- Power IC, Buck and LDO output voltages.
- Power-on sequence, control and clock signals and test points.
- Voltage measurements and analysing dead phones.
- Finding short, half-short and leakage components.
- Charging and backlight circuits, pin details, voltages and control signals.
- Audio, LCD display, touchpad, camera, fingerprint and SIM interface pinouts and voltages.
- MIPI, SDA, SCL, SPI and IC communication protocols.
DC Meter Analysis
- Power IC, CPU, EMMC and Crystal issue analysis using DC meter readings.
- Finding short, half-short and leakage components.
- Short-circuit component identification techniques.
OCA Rework
- Dismantling LCD display, glass replacing, touch replacing and OCA machine handling practice.
Software Training
- Flashing, user lock reset, FRP bypass, official tools, UMT dongle and offline/online flashing.
