Im having an issue with feedly regarding it out-of-charts data usage (250mb in 10 min), and since i have a limited data plan i cant use it while commuting.
Regarding the inavility to use your phone outside your country/provider, i had the same issue (entel Chile), but i paid around 60 dollars and got it unlocked.
Not trying to promote a specific site (i’ve seen a lot of alternatives) but i used a site called doctorsim (i think its .com) and it worked, now im usig a german sim card.