Can you replace the 64GB flash with a 128GB flash integrated circuit?
In step 12 of the teardown Samsung Galaxy S9+の分解 we can see the Toshiba THGAF4G9N4LBAIR 64 GB UFS (NAND flash + controller) .
Can we replace it with a 128GB Flash integrated circuit? It is a BGA chip that should easily come off and it can be replaced with a pin compatible 128GB flash chip such as https://ro.mouser.com/ProductDetail/Tosh...
How much will it cost?