The Sony Xperia 1 III looks pretty old-school on the outside, but the inside is layer upon layer of modern components. What if one of them breaks? It will need to be replaced and the video below shows the disassembly process step by step. Sony didn’t do anything too crazy, everything is held down by Philips screws and a moderate amount of glue. However, there are multiple layers tied together with flex cables, which need to be taken apart. The good news is that if you need to replace the display, you only need to take apart the bottom assembly to reach the screen’s flex cable, you don’t...
Source: https://www.gsmarena.com/sony_xperia_1_iii_earns_a_6_10_repairability_score_in_disassembly_video-news-49814.php