The summary is:
The speaker tells his personal story of how he got his first iPhone 4, which was a revolutionary device at the time. He compares it to other phones he had before and after, and how it impressed him with its design, performance and features. He also talks about some of the problems and challenges he faced with the iPhone 4, such as the network issue, the jailbreak process and the lack of compatibility with newer apps. He expresses his nostalgia for the time when Apple was leading the industry and creating innovative products, and his disappointment with the current state of the market, where he thinks Apple has lost its edge and Android has caught up. He ends by saying that his last iPhone was the iPhone 7, which he considers the beginning of Apple's stagnation.
Here are the key facts extracted from the text:
1. The text is a transcript of a video about the author's personal story of relationship with the iPhone 4.
2. The iPhone 4 was the first iPhone to have a retina display, a front camera, and a design with glass and stainless steel.
3. The author bought an iPhone 4 CDMA, which was cheaper but could not use a regular SIM card and had a different antenna design.
4. The author used jailbreak to install tweaks and apps that were not available on the official App Store.
5. The author thinks that Apple stopped overtaking the industry with the iPhone 7 and that Android phones became better in many aspects.