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Let's start with understanding the four stages of a product life cycle:

1. Introduction
2. Growth
3. Maturity
4. Decline

Each stage presents unique challenges and opportunities for businesses. As we explore the iPhone's journey, we'll see how Apple navigates these stages masterfully.

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Product extension strategies help companies maintain or revive product growth:

• Product modification
• Market modification
• Marketing mix modification
• Innovation integration

We'll see how Apple implements these strategies with the iPhone.

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The original iPhone was introduced by Steve Jobs, marking a revolutionary moment in mobile technology. Key features:
• 3.5-inch display
• 2MP camera
• iOS 1.0
• 4GB/8GB storage

This launched the smartphone revolution and established Apple's position in the mobile market.

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During this growth phase, Apple introduced:
• iPhone 3G: App Store launch
• iPhone 4: Retina Display
• iPhone 5: Larger screen and Lightning connector

Each iteration brought significant improvements, expanding market share globally.

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Apple's strategy shifted to market segmentation:
• iPhone 6/6 Plus: Screen size diversification
• iPhone SE: Budget-conscious market
• iPhone X: Premium segment with Face ID

This period showed Apple's ability to extend product life through market modification.

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Recent strategies include:
• 5G integration
• Camera system improvements
• Environmental sustainability focus
• Services integration (Apple One)

Apple continues to find new ways to add value and maintain market position.

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Key successful strategies:
1. Regular feature upgrades
2. Market segmentation (Pro/Standard/Mini models)
3. Ecosystem integration
4. Brand premium maintenance

These strategies have helped maintain iPhone's premium position while expanding market reach.

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Some challenges faced:
• Market saturation
• Longer replacement cycles
• Strong competition
• Price sensitivity in emerging markets

These factors require continuous innovation in extension strategies.

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For your analysis:
1. Use Apple's website and annual reports
2. Research market analysis reports
3. Study competitor strategies
4. Consider regional market differences

Focus on identifying specific strategies used at each life cycle stage.

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Mạnh mẽ. Tuyệt đẹp. Bền bỉ. Chiêm ngưỡng phiên bản mới của iPhone 15 Pro, iPhone 15 Pro Max, iPhone 15, iPhone 15 Plus và iPhone SE.

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Your presentation should include:
• Timeline of iPhone evolution
• Identified extension strategies
• Success/failure analysis
• Future strategy proposals

Use specific examples and data to support your analysis.

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1. Timeline of iPhone Evolution

Introduction (2007–2008): iPhone 2G launch, touchscreen revolution

Growth (2009–2015): iPhone 3GS to iPhone 6, market expansion, iOS ecosystem growth

Maturity (2016–Present): iPhone 7 to iPhone 15, incremental upgrades, service revenue focus

Extension Strategies: iPhone SE models, iOS updates, trade-in programs, subscription services

2. Identified Extension Strategies

Product Line Extensions: iPhone SE, Pro vs. non-Pro models

iOS Ecosystem Lock-in: Services (Apple Music, iCloud, Apple TV+)

Geographic Expansion: Emerging markets (India, Southeast Asia)

Sustainability & Trade-in Programs: Encouraging upgrades while reducing environmental impact

3. Success/Failure Analysis

Successes: Strong brand loyalty, high-margin services, continued market share in premium segment

Challenges: Market saturation in developed regions, competition from Android OEMs, regulatory pressures

4. Future Strategy Proposals

AI & Ecosystem Integration: Deeper Siri and on-device AI features

Foldable/Form Factor Innovation: Potential new product category

Expansion in Emerging Markets: Localized pricing and features

Sustainability Leadership: Carbon-neutral products and circular economy initiatives