L2 Technician – Basic Repair TechnicianPerform standard repairs including screen replacements, battery swaps, charging port replacements, etc.Handle basic diagnostics and component-level replacements for iPhones and Android phones.Maintain cleanliness, safety, and organization in the work area.Accurately log repairs and ensure timely turnaround of routine tasks.L3 Technician – Intermediate Repair TechnicianHandle more complex repairs such as water damage treatment, camera or face ID module replacements, and board-level replacements (non-chip level).Perform thorough diagnostics and root cause analysis.Provide guidance to L2 technicians and assist in workflow prioritization.Ensure repairs meet quality control standards and minimize rework.L4 Technician – Advanced Chip-Level Repair SpecialistDiagnose and repair logic board faults at the chip level using schematic diagrams and diagnostic tools.Perform micro-soldering, reballing, and IC replacements on iPhones and high-end Android devices.Troubleshoot complex motherboard issues and recover dead devices.Maintain documentation of repair findings and contribute to improving repair processes.