Hi guys, just wanted to share some experience that some may find useful to some.
I bought the Samsung Evo SSD drive in order to boost up the speed of my mac, following the steps indicated here I was able to replace the drive fairly easy. I did't have the the screwdriver needed for the 4 screws and used a normal clippers(pliers) to unscrew and screw them to the new SSD. As I was about to make a new installation of OS on this drive, I was expecting it to get recognised as was my thumb drive, but sadly it was not. So I used a bit of help from youtube and found out that the drive needs to be formatted if used for a very first time. I did that via the disk utility on booting mode with my hard drive connected via USB.
Just wanted to share how happy I am from the fact that I repaired and upgraded my hardware using the ifixit instructions and tools, and along with that i want to encourage you guys to really put your hands on it - nothing to be afraid of, in the end you will be way more confident and it saves cash.
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