My Nokia Lumia 1020 was quite easy to repair.

If you pop out the sim card tray, there was a single screw.

This screw operated a novel mechanism which would pop out the screen when you turn it.

The screw was also designed to remain in the mechanism, so it couldn't fall out and get lost.

This video is done extremely professionally: https://youtu.be/AVPp3LW4ir4

In reality you could pop the screen and connectors off with your fingernails.

It had the most proper camera of all smartphones:

• Xenon HID flash
• DNG RAW images
• 31-38 megapixels depending on aspect ratio
• Manual adjustments for focus, exposure, and more
• Giant 1/1.5" (8.8x6.6mm) sensor with mechanical shutter
• Carl Zeiss lenses
• Zero AI for enhancing photos

We could print absolutely stunning 8x10 (203x254mm) photos from that, and it included a voucher for a free 20x30 (508x732mm) poster.

Unfortunately I've not been able to get new lithium batteries for those, otherwise I'd still use it for photography.