MacBook Pro 13" Retina Display Early 2015 Teardown - iFixit
MacBook Pro 13" Retina Display Early 2015 SSD Replacement - iFixit Repair Guide
SSD Upgrades for 2013, 2014, and 2015 MacBook Pro
How to Upgrade RAM on a 2019 MacBook Pro
How To Upgrade RAM On MacBook Air? - YouTube
Upgrade SSD 128GB to 512GB of MacBook Air 13'' 2015
Adamanta 16GB (2x8GB) Apple Memory Upgrade DDR3L 1600MHz SODIMM Compatible for iMac (Mid 2011, Late 2012, Early/Late 2013, Late 2014, Mid 2015), MacBook Pro (Early/Late 2011, Mid 2012), Mac Mini at Amazon.com
Surprise! iFixit says you can't do much to fix or upgrade the 2015 MacBook | Ars Technica
Can I upgrade anything about my Early 2015 Macbook Pro 13'? - Quora