I've been having serious problems with movistar, resulting in having no Internet for 2 months now!!! Basically there it's a strike going on with the Telefónica / movistar technicians and it's affecting many people (just look at their Facebook page).
I had the fusion pack, and everything was working fine until one day it just got cut off. Since then I've been on the phone to their English support line about 25 times and its become abundantly clear the staff their are told to keep customers dangling on and give them the impression that everything will be fine soon (without mentioning the strike). The staff on the English line have given me a range of excuses, contradictions, lies, busy work of resetting waiting - resetting again and when i challenge them about it, they often just cut me off! One time i was even told i didn't have Internet on my package! My calls were often not logged on my account so each time i called it was like is never done so before.
So I've since cancelled my movistar contact (tricky to get done too, even if it had lapsed after 12 months) and gone to Vodafone only to find out Vodafone are also at the mercy of the strike because movistar/Telefónica own the national network lines that other companies use too, thus causing extra delay.
Even after cancelling and movistar English support said everything was concluded with my contract and i owed nothing, i would still get calls and texts warning about being fined 250e for changing companies!
Vodafone have been super nice and helpful compared to movistar however, and also have more English support options. However I've been waiting 4 weeks for them to get my line installed. They give me discounts and freebies on my mobile Internet to keep me going, but i did hear of a someone getting their line installed in 3 days with jazztel... However the speed on the line available for my place will never be as good as movistar because (as explained by Vodafone) they don't allow competitors as good a bandwidth on their lines (which i thought was illegal, but wouldn't surprise me in Spain anyway).
The only upside is movistar have discounted the last bills when i was out of service (shocker) and I've since told my bank to block movistar dd. It would not surprise me at all if they tried to keep charging me. I've a friend who's involved in suing Orange for charging after contact cancellation. And after seeing the way movistar treated me, their technicians and their competition i just expect the worst from them!