Jaffer Sadiq

Device Diagnosis & Troubleshooting
• Conducted professional hardware and software diagnosis on smartphones and tablets across 8+ brands including Samsung, Huawei, OPPO, Honor, Infinix, Tecno, Benco, and Brave
• Accurately diagnosed screen malfunctions, battery anomalies, charging port failures, camera faults, and software crashes using industry-standard diagnostic tools
• Interpreted schematics, service manuals, and diagnostic logs to identify root causes of recurring hardware and software issues
Repair & Component Replacement
• Performed hardware repairs including screen, motherboard, battery, charging port, camera, and internal component replacements across multiple device models
• Executed board-level micro-soldering, connector replacement, and component-level fault isolation with high precision
• Ensured proper device reassembly post-repair and verified full functionality before returning devices to customers
• Adhered to ESD safety standards and data privacy protocols throughout the handling and repair process
Software Maintenance & Support
• Installed and configured software using latest flashing tools; performed firmware, baseband, and OS image updates including OTA updates per brand and vendor specifications
• Documented logs by reproducing software issues and reported to supervisors for quality analysis and continuous improvement
• Performed RF testing and calibration on mobile handsets; collaborated with vendors to resolve complex network, SIM, and provisioning issues
Customer Service & After-Sales Support
• Provided professional, multilingual customer support (English, Arabic, Tamil) explaining repair options, troubleshooting steps, and expected timelines clearly
• Offered device care and maintenance recommendations to customers, enhancing overall customer experience and brand loyalty
• Delivered technical support via phone, email, and in-person channels for escalated and complex after-sales issues
• Utilized CRM and ticketing systems to log repairs, manage service requests, and ensure SLA compliance
Inventory Management & Quality Assurance
• Maintained organized inventory of repair parts and accessories; tracked stock movements and procured replacements proactively to avoid service delays
• Conducted thorough post-repair testing to ensure full device functionality and customer satisfaction before device handover
• Ensured all repairs complied with industry standards, brand guidelines, and company policies for quality assurance

• Diagnosed and resolved hardware, software, and network issues on desktops, laptops, and mobile devices at the in-store service counter
• Installed, configured, and updated operating systems, applications, and device drivers for Windows and macOS endpoints
• Provided in-store technical support and device care guidance to customers for IT and consumer electronics products
• Managed service requests efficiently, ensuring timely resolution and high customer satisfaction

• Delivered after-sales support and repair services for Sony Vaio laptops and tablets; diagnosed and resolved hardware and software faults
• Provided remote and on-site technical support; installed, configured, and maintained desktops, laptops, and peripherals
• Escalated complex technical issues with full handover documentation to senior support teams

• Installed and configured routers at residential and commercial client sites, performing on-site connectivity troubleshooting
• Verified service completion and provided basic usage guidance to end users during installations