All the parts of my sudden death Fp3

Just to make sure: There are a few approaches to rescue your data from a sudden death FP3, for example here: Sudden Death and oven reflow: Navigating a post-warranty salvage of FP3(+) motherboards - #53 by DerSchneck (this deep link does not require any risky procedure, but there are more daring methods in the same topic).

You can offer the Rear Module (basically the whole housing of the phone). To separate it from the motherboard (i.e. your data), you just need to unscrew two Torx T5 screws, see