Can I upgrade the RAM in Lenovo ThinkPad Yoga 15?

[luke321321]

I am thinking of buying a Lenovo ThinkPad Yoga 15 and was wondering if I could upgrade the RAM myself to save some money? Or is the RAM soldered on with this model?

 

[rgd1101]

https://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles_pdf/thinkpad_yoga_15_hmm_en_sp40g75956_01.pdf

Page 66
not solder, but look at the diagram, it required you to open it up.