(1)My MBP became slow.
(2)There's something wrong with my Nokia.
(1)I bought one 128 Gigabytes SSD and made a Fusion Drive, in addition, with 1 Terabytes HDD.That's really awesome!
(2)After the teardown, I found it's over my head, the ribbon connecting upper parts to bottom parts was ripped, though it seemed everything went well. At last I quit it, but still excited.
I learnt from Apple Website how to open the rear case of mbp.