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iPhone 4“天线门”悬案告破,苹果只改了20字节代码
猿大侠· 2025-10-12 04:11
科技媒体 9to5Mac 10 月 8 日发布博文,报道称困扰业界 15 年之久的苹果 iPhone 4"天线门"事 件谜底近日揭晓。软件工程师萨姆・亨利・戈尔德发现,当年导致信号格急剧下降的根本原因并 非硬件缺陷, 而是一个软件算法错误。 IT之家援引博文介绍,苹果在 2010 年推出的 iPhone 4,因其经典设计备受瞩目,但很快就被一 场名为"天线门"(Antennagate)的争议事件抢走了风头。 大量用户发现,当以特定方式手持手机时,屏幕上显示的信号格会发生断崖式下跌。这一发现迅 速引发了全球范围的关注和争议,成为苹果历史上一次重大的公关危机。 面 对 汹 涌 的 舆 论 , 苹 果 当 时 采 取 了 多 种 应 对 措 施 , 包 括 时 任 CEO 史 蒂 夫 ・ 乔 布 斯 曾 公 开 表 示"用户握持手机的方式不正确"。 不 过 , 公 司 最 终 还 是 承 认 了 问 题 的 存 在 , 并 被 迫 向 所 有 iPhone 4 用 户 提 供 免 费 的 保 护 套 (Bumper Case),同时就一起集体诉讼达成和解,向受影响的用户支付了赔偿金。 苹果公司在当年的官方声明中指出 ...
研究框架培训:AI投资框架
2025-09-24 09:35
Summary of Key Points from Conference Call Records Industry or Company Involved - The focus is on the **AI industry** and its related sectors, particularly the **TMT (Technology, Media, and Telecommunications) sector**. Core Insights and Arguments 1. **Timing for Investment in Technology Sector**: On June 8, the technology sector was deemed ready for investment based on analysis of congestion, rolling yield differences, trading volume ratios, and calendar effects, with a specific recommendation to focus on the upstream computing power sector, which has been validated subsequently [4][1][2]. 2. **Trends in AI Market**: The AI market is currently experiencing three major trends: movement from upstream to downstream, diversification within the sector, and the transition from AI to AI-enhanced applications [3][1]. 3. **Internal Differentiation in AI**: There are two main differentiations within AI: between upstream and downstream sectors, and between North American and domestic computing power, primarily driven by performance [5][1]. 4. **Early Stage of AI Market Expansion**: The AI market is still in its early expansion phase, suggesting a strategic focus on the diffusion of domestic computing power into upstream semiconductor equipment and materials, as well as downstream applications in sectors like internet, gaming, and consumer electronics [6][1]. 5. **AI Investment Framework**: The AI investment framework includes key indicators such as timing indicators, calendar effects, internal rotation factors, sector comparisons, and historical references from the 2013-2015 internet boom [7][1]. 6. **Trading Volume Analysis**: Adjusted trading volume ratios show that in 2023, the ratio reached approximately 50%, compared to a maximum of 40% in 2019, indicating a more accurate market analysis [7][1]. 7. **AI Rotation Intensity Indicator**: This indicator tracks the performance of 50 major news directions in the AI industry, showing a significant inverse relationship with the AI index, suggesting that when internal rotation converges, the sector typically experiences an uptrend [9][1]. 8. **Calendar Effects in TMT Sector**: The TMT sector exhibits performance-related calendar effects, with high win-rate periods in February-March, May-June, and October-November, influenced by risk appetite, earnings releases, and consumption peaks [2][10][11]. 9. **Factors Influencing AI Sector Rotation**: The AI sector is divided into three main chains: upstream computing power, midstream algorithm technology, and downstream applications. The North American computing power chain has consistently outperformed the domestic chain since May 2025 [12][1]. 10. **Historical Insights from 2013-2015**: The historical performance of the TMT sector from 2013 to 2015 provides insights into current market dynamics, emphasizing the importance of earnings in driving stock performance [19][20]. Other Important but Potentially Overlooked Content 1. **Potential for Downstream Sectors**: There is significant potential for growth in downstream sectors such as cybersecurity, operating systems, and cloud computing, which are currently underrepresented in institutional portfolios [15][1]. 2. **Market Sentiment and Trading Volume**: Concerns about high trading volume ratios do not necessarily indicate an end to the market rally, as historical trends show that significant market shifts can occur despite high trading volumes [17][1][18]. 3. **AI's Long-Term Impact**: The transition from AI to AI-enhanced applications is expected to mirror past trends seen in the internet sector, with a broader impact across traditional industries [16][1]. 4. **Investment Opportunities in Software Applications**: Areas such as SaaS, online education, and digital marketing are highlighted as having substantial potential for performance improvement and investment opportunities [15][1].
「老登」罗永浩,在新时代争抢麦克风
3 6 Ke· 2025-09-22 02:19
Core Viewpoint - Luo Yonghao, a prominent figure in the Chinese internet, has successfully revived his public influence through his involvement in the Xibei pre-made food controversy, showcasing his idealistic persona as a "simple and just" fighter for fairness [1][34]. Group 1: Public Influence and Social Media - Luo Yonghao's public image has seen a resurgence, with over 90% of the public supporting him during the Xibei incident, leading to a 50% increase in his Weibo followers, adding 355,000 new fans from October 10 to 17 [2][34]. - The Xibei incident has reintroduced Luo to the public eye, transforming him from a controversial figure to a more accepted persona, as he expressed gratitude for the support he received [2][34]. Group 2: Career Evolution and Media Engagement - Over the past two decades, Luo has continuously engaged with various media forms, from being a teacher to a tech entrepreneur, and now a podcaster, adapting to the changing landscape of public discourse [4][16]. - Luo's career has been marked by a series of controversies and public debates, including his confrontations with figures like Wang Ziru, which have solidified his reputation as a combative and outspoken personality [12][20]. Group 3: Idealism and Public Perception - Luo's idealistic image has faced scrutiny, particularly during the Smartisan phone era, where quality issues led to doubts about his commitment to his ideals, prompting some to label him as a self-serving individual [20][22]. - Despite criticisms, Luo maintains a "knight-like" persona, advocating for fairness and justice, as evidenced by his past actions against brands like Siemens and his recent support for individuals like Dong Yuhui [22][25]. Group 4: Current Challenges and Future Directions - Luo faces challenges in adapting to a more rationalized internet environment, where his previous methods of engagement may not resonate as strongly with the current audience [30][31]. - The recent Xibei incident has allowed Luo to reconnect with a younger audience, demonstrating his ability to remain relevant in the evolving landscape of public discourse [34][36].
Munster Says Meta Will 'Get Heat' For AI Glasses Demo Glitches But Praises Mark Zuckerberg For 'Doing It Live' At Connect 2025: Here's What Happened - Meta Platforms (NASDAQ:META)
Benzinga· 2025-09-18 10:14
Core Insights - Meta Platforms, Inc. faced challenges during live demonstrations of its new AI-powered glasses at the META Connect 2025 event, which raised concerns among analysts about potential backlash against the company [1][4] - Despite the technical difficulties, CEO Mark Zuckerberg's willingness to present products live was noted positively by some analysts [1][5] Group 1: Product Demonstrations - The first demonstration involved food creator Jack Mancuso using the upgraded Ray-Ban Meta smart glasses to assist with cooking, but the AI failed to provide coherent instructions, leading to a humorous moment on stage [2][3] - The second demonstration featured a neural wristband intended to answer a video call, which also encountered issues, prompting Meta CTO Andrew Bosworth to assist on stage [4][3] Group 2: Analyst Reactions - Analyst Gene Munster commented on the live demo failures, suggesting that Meta would face criticism but also praised Zuckerberg for attempting live demonstrations [5][6] - Munster's remarks highlighted the broader challenges of integrating advanced technology into consumer products, a sentiment echoed by the historical context of similar failures from other tech companies [5][6] Group 3: Market Response - Following the event, Meta's stock price experienced a slight decline of 0.42% to $775.72, but showed a recovery with a 0.71% increase in pre-market trading the next day [6] - Benzinga's Edge Stock Rankings indicated that META is on an upward trend across various investment horizons, suggesting potential resilience despite the demonstration setbacks [6]
X @AscendEX
AscendEX· 2025-09-10 07:00
If you didn’t buy the iPhone 4 in 2010 and bought $BTC instead, you’d have $800M+ today.If you use the money for iPhone 17 today to buy $BTC, where will you be in 2035?🤔 ...
超越iPhone 4,iPhone 17有望打破尘封15年的纪录
创业邦· 2025-08-29 00:08
Core Viewpoint - The upcoming iPhone 17 is expected to break the record for the longest sales period of a flagship iPhone model, surpassing the previous record held by the iPhone 4, which lasted approximately 15.7 months [4][5][8]. Summary by Sections iPhone 17 Release and Sales Record - iPhone 17 is anticipated to be released in September 2025 and is projected to be sold for about 18 months until the iPhone 18 is expected to launch in Spring 2027 [6][8]. - The current record for the longest sales duration is held by the iPhone 4, which was sold for approximately 15.7 months from June 2010 to October 2011 [5][6]. Historical Context of iPhone Sales Durations - No iPhone has surpassed the 15-month sales duration since the iPhone 4, with the closest being the iPhone 11 Pro, which lasted about 13.1 months [5][6]. - The iPhone 12's release was delayed due to the pandemic, resulting in a shorter sales cycle of only 11 months before the iPhone 13 was launched [9]. Comparison of Sales Durations - A table comparing various iPhone models shows their release dates, replacement models, and sales durations, highlighting the iPhone 17's potential to set a new record [6]. - The iPhone X had the shortest sales duration among flagship models, lasting only 10 months before being replaced by the iPhone XS [10]. Future Implications - The introduction of the Pro series and potential foldable iPhones may influence consumer behavior and sales strategies, but the iPhone 17 is still expected to achieve the longest sales period for a standard flagship model [8].
超越iPhone 4,iPhone 17有望打破尘封15年的纪录
3 6 Ke· 2025-08-28 06:50
Core Viewpoint - The upcoming iPhone 17 is expected to break the record for the longest sales period of a flagship iPhone model, which has been held by the iPhone 4 for over 15 months [2][3]. Group 1: Historical Context - The iPhone 4 was released on June 24, 2010, and remained the flagship model until the iPhone 4S was launched on October 14, 2011, maintaining its status for approximately 477 days, or about 15.7 months [3]. - The iPhone 11 Pro held the second-longest sales period at 399 days, or about 13.1 months, before being replaced by the iPhone 12 Pro [3]. Group 2: Future Projections - The iPhone 17 is projected to be sold for around 550 days, or approximately 18 months, before the anticipated release of the iPhone 18 in spring 2027 [3][4]. - Apple is considering staggering the release dates of the base model and Pro versions, which would contribute to the extended sales period of the iPhone 17 [3][4]. Group 3: Market Dynamics - The presence of the Pro series and the upcoming Air series is expected to mitigate the "dry spell" experienced during the transition from iPhone 4 to iPhone 4S, as consumers will have other options during the iPhone 17 to iPhone 18 upgrade cycle [4]. - The introduction of the first foldable iPhone is anticipated to represent a significant hardware transformation in the iPhone lineup, although the iPhone 17 is still expected to achieve the longest sales duration for a standard flagship model [4]. Group 4: Shortest Sales Periods - The iPhone 12 to iPhone 13 transition lasted only 11 months due to delays caused by the pandemic, marking one of the shortest sales periods for flagship models [5]. - The iPhone X, released in September 2017 but officially available from November 2017, had a main sales period of just 10 months before being succeeded by the iPhone XS [6].
手机后盖材质加速进化:塑料 “屈居” 入门机,玻纤成了新宠
3 6 Ke· 2025-08-26 07:12
Core Viewpoint - Mobile manufacturers are increasingly focusing on the materials used for phone backs, as different materials not only provide varying tactile experiences but also allow for bolder designs [1][3]. Material Analysis - **Plastic Back**: Offers high practicality with low production costs, durability, and does not interfere with signal reception, making it a common choice. However, it lacks aesthetic appeal, leading to its relegation to entry-level models [4][6]. - **Glass Back**: Since the introduction of the iPhone 4, glass has become a mainstream choice for flagship phones due to its excellent moldability, electromagnetic permeability, and superior tactile feel compared to plastic and metal. Innovations like microcrystalline glass have emerged, combining the benefits of glass and ceramics [7][9][11]. - **Ceramic and Leather**: Ceramic backs provide a premium feel but are costly and fragile, limiting their use. Leather backs, while initially seen as a novelty, have gained traction for their aesthetic and functional qualities, including durability and heat resistance [14][16]. - **Fiberglass**: Recently introduced by Huawei, fiberglass backs offer a lightweight, durable, and visually appealing alternative, effectively addressing the shortcomings of other materials and allowing for innovative designs [21][23]. Evolution of Materials - The evolution of mobile phone materials reflects advancements in technology and changes in design philosophy, transitioning from plastic and metal to glass, ceramics, and fiberglass. This shift indicates a pursuit of balance between functionality, aesthetics, and user experience [24][26].
从14nm到N2:工艺演进如何牵引EDA创新与产业升级
2025-08-19 14:44
Summary of Key Points from Conference Call Records Industry Overview - The conference call discusses the **Hong Kong stock market** and its performance relative to the **A-share market**, particularly focusing on the **EDA (Electronic Design Automation)** industry and the **semiconductor sector** [1][2][3]. Key Insights and Arguments 1. **Historical Performance of Hong Kong Stocks**: - The Hong Kong stock market outperformed the A-share market during three distinct periods: 2011-2014, 2016-2018, and 2019-2021, with excess returns of 62 percentage points, 38 percentage points, and significant gains in the technology index respectively [2][4][9]. - Key drivers included overseas liquidity, RMB appreciation, domestic policy adjustments, and the influx of southbound capital [2][6][11]. 2. **EDA Market Growth**: - The EDA market is projected to grow from approximately **$14 billion in 2024** to over **$18 billion by 2026**, with an annual growth rate of about **10%** [22][23]. - The demand for EDA tools is relatively stable and less affected by hardware cycle fluctuations, indicating a robust market outlook [23]. 3. **Technological Advancements in Semiconductors**: - The evolution from **FinFET to GAAFET** technology necessitates advancements in EDA tools to support design, power management, and yield improvement [1][13][14]. - Innovations in EDA include the integration of AI tools and support for 3D IC and advanced packaging [17][24]. 4. **Investment Recommendations**: - Investment in leading EDA companies like **Synopsys** and **Cadence** is recommended due to their strong R&D capabilities and market influence, which are expected to yield stable long-term returns [20][27]. - The EDA sector is viewed as a relatively stable and high-certainty investment area within the semiconductor cycle [26][27]. Additional Important Content 1. **Geopolitical Factors**: - Geopolitical tensions, particularly U.S. export controls, pose short-term challenges but are not expected to alter the long-term growth trajectory of the global EDA industry [25]. 2. **Market Dynamics**: - The integration of advanced packaging and Chiplet ecosystems is expanding the demand for EDA tools, supporting rapid industry growth [24]. - The performance of the Hong Kong market is also influenced by the recovery of domestic economic fundamentals and the listing of Chinese companies in Hong Kong [12][19]. 3. **Comparative Analysis**: - There remains a gap between domestic companies and international leaders like TSMC and Samsung in advanced processes such as 3nm and 2nm technologies, particularly in EDA tool utilization [21]. This summary encapsulates the critical insights from the conference call, highlighting the performance of the Hong Kong stock market, the growth of the EDA industry, and the implications for investment strategies.
iPhone 17 Pro真机谍照野外曝光,苹果安保又大意了?
Hu Xiu· 2025-07-29 02:18
Core Viewpoint - Apple employees were spotted testing the upcoming iPhone 17 Pro in public, indicating the product's imminent release and the company's strict security measures surrounding new product launches [1][9]. Group 1: Product Details - The leaked images show two individuals, one holding a black phone that appears to be the iPhone 17 Pro, while the other phone, with a logo covered, is also identified as an iPhone Pro model [7]. - The black phone's camera module is exposed, confirming its identity as the iPhone 17 Pro based on the arrangement of components [7]. Group 2: Security Measures - Apple's New Product Security (NPS) team is responsible for protecting unreleased products when taken outside the company premises, highlighting the importance of security for major product launches like the iPhone [9]. - The NPS team, previously known as the Worldwide Loyalty Team, ensures that new products are safeguarded from leaks and unauthorized exposure [9].