The text describes the process of upgrading or modding an older iPhone model's hardware components into a newer, compatible body. In this case:

1. The author replaced the default vibration motor in their original iPhone 6 with one from either another iPhone 6 (not specified) or possibly an aftermarket Taptic Engine meant for an iPhone 7/8 frame.

2. This process involved some modifications:

- Cutting a part of the speaker near where the new motor would fit.

- Although not explicitly mentioned, it's likely that additional steps were taken to ensure compatibility between the newer components and older phone's hardware (e.g., re-soldering connections).

3. The author also mentions attempting to swap logic boards:

- They tried putting an iPhone 8 logic board into a frame meant for an iPhone 7.

- Conversely, they attempted the reverse: installing an iPhone 5s logic board into what was intended as an iPhone 5 body.

4. However, unlike these other swaps where additional modifications were necessary (e.g., sanding down standoffs), this particular combination of components and frames seemed to work without major issues with respect to fitment alone.

5. The author mentions using various methods to achieve compatibility:

- They installed an iPhone 6s Taptic Engine in a phone meant for earlier models.

- To further enhance the experience, they likely applied several iOS tweaks or jailbreak modifications (though these are not specified) to make it function and feel more like newer versions of iOS.

The text provides insight into various ways users can extend the life of older phones by replacing individual components with newer ones compatible with their existing hardware. This process requires both technical expertise, as well as patience in troubleshooting any potential compatibility issues that may arise during these kinds of upgrades or swaps.

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