The Google Nexus 5 was launched in 2013 and it came with 16GB and 32GB storage variants.
Around 60 -70 smartphones are launched every year, according to Canadian Ministry of Environment.
As discussed above, Nexus 5 came with 16/32GB variants, but KApetz2 managed to make the 64GB variant.

KApetz2 also mentioned the steps which he did to upgrade the storage of his Nexus 5.
However, he said that the procedure is difficult.
He also warned the users that their rig might get bricked if the internal hardware was damaged.

If you want to know more info about this hack, head toXDA forumsthread.
