Manual Testing Understanding mobile UI/UX, functional testing, and exploratory testing Automation Testing Using tools like Appium, Selenium, Espresso, XCUITest Programming Knowledge Basic scripting in Java, Python, or JavaScript for automation Device & OS Knowledge Familiarity with Android, iOSand various mobile devices Network & API Testing Testing REST APIs using Postman, Charles Proxy, WiresharkPerformance Testing Load testing with JMeter, GatlingSecurity Testing Identifying vulnerabilities using OWASP Mobile SecurityAccessibility Testing Ensuring compliance with WCAG guidelinesCloud-Based Testing Using platforms like BrowserStack, Sauce Labs