System Maintenance and Apple Watch Overview 5.7.26

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System Maintenance and Apple Watch Overview



Operating System Updates vs Upgrades

  • Updates are changes to the current system, typically security enhancements or bug fixes
  • Upgrades involve moving to a completely new operating system with potential design changes, new features, and functionality improvements
  • Most updates and upgrades cannot be rolled back once installed
  • The instructor's philosophy: "If it's not broken right now, why fix it" — be cautious about upgrading unless necessary

Checking Your Operating System

  • On Mac: Go to the Apple menu > About This Mac to see current OS version
    • The instructor is currently on macOS Sequoia (15.7), one version behind the newest Tahoe release
  • On Windows: Windows stopped supporting systems older than Windows 11 as of late last year
    • Users with older systems must upgrade to Windows 11 or purchase new computers to receive security updates
  • On iPhone/iPad: Go to Settings > General > Software Update

How to Update Software

  • Check application menus for "Update" or "Check for Updates" options
  • Example shown with Zoom: Go to Zoom Workplace menu > Check for Updates
  • Version numbering explained: First number = major version (upgrade), second number = update to that version, third number = minor update
    • If the first number changes, it's an upgrade with potentially significant changes
    • If only the second or third number changes, it's an update

Researching Upgrades Before Installing

  • Use AI tools like Gemini or ChatGPT to research whether to upgrade
  • AI compiles information from articles, discussion boards, and videos into an easy-to-read summary
  • Always check the sources/citations provided by AI to verify accuracy
  • Alternative research methods: YouTube videos showing differences, company websites explaining new features

Concerns About Upgrading Older Devices

  • Newer operating systems demand more power and are optimized for newer hardware
  • Upgrading an old device will likely make it slower, not better
  • Common issues with upgraded older devices:
    • Faster battery drain
    • Device overheating
    • Slower performance overall
  • Example shared: Student's iPad 9 experiencing rapid battery drain (from 90% to 45% in ~2 hours) after upgrading to Tahoe

macOS Tahoe Upgrade Considerations

  • Major visual change: Moving away from translucent "liquid glass" design that many users found difficult to read
  • Apple is addressing complaints about transparency and returning to more traditional design elements
  • New features include:
    • iPhone mirroring on Mac
    • Enhanced Spotlight with command capabilities
    • Apple Intelligence (AI) integration
  • Users with low vision had significant difficulties with the transparent design

Apple Watch Models Comparison

  • Three current models available with different price points and features
  • Apple's website has a helpful "Compare" feature to see differences side-by-side

GPS vs Cellular Watches

  • GPS only: Requires phone to be nearby to receive/send calls
  • GPS + Cellular: Watch operates independently, phone can be elsewhere
    • Additional monthly fee (approximately $5-$10, should not exceed $20)
    • Price difference: $50-$100 more depending on model
    • Ideal for workouts, running, or walking without carrying phone

Health Features Comparison

  • ECG app: Available on Series 10 and Ultra 2, not on SE
    • Can send alerts and updates directly to doctor
  • Blood oxygen (O2) monitoring: Not available on SE model
    • Note: Was temporarily disabled across all models due to copyright issues but now working again
  • Additional health features (varies by model):
    • Sleep tracking
    • Temperature sensing
    • Respiratory rate monitoring
    • Vitals tracking
    • Fall detection (all models)
  • Fall detection sends alerts to emergency contacts and can automatically contact EMS if not cancelled within set time period

Battery Life and Charging

  • Battery life varies by model: 18-24 hours depending on watch size
  • Larger watches have bigger batteries but are also heavier
  • Fast charging: Reaches 80% in approximately 30 minutes
  • Users need to plan charging time — common to charge in evening unless using for sleep tracking

Size and Weight Considerations

  • Models range from 40mm to 49mm face size
  • Ultra model is approximately double the weight of other models (39g vs others)
  • Recommend visiting Apple store to try on different sizes before purchasing

Display Brightness

  • Ultra 2 offers up to 2000 nits brightness, potentially beneficial for users with low vision

Water Resistance

  • Most models are water resistant and suitable for swimming
  • Check specific depth ratings before water activities

Action Items

  • [ ] Jason to potentially purchase Apple Watch before next class
  • [ ] Student to check with cell phone provider about costs for adding watch to plan

Additional Tips

  • Watch bands can be purchased more affordably on Amazon
  • Virtual machines allow running Windows on Mac computers
  • When software isn't working, first check for available updates in the application menus
  • Most Apple Watch users are satisfied once they adjust to using it

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