IMO Three is the cheapest and probably best UK network with free 4G (it works, I've seen it) so adding a ridiculous roaming policy only hypes it up more
If you have bad Three signal where you live, that's unfortunate and I can't help..
They have just bumped up their list of "Feel at Home" roaming countries to 11 and adding another 5 on the 1st July. Awesome!!
Current:
1st July:Australia
Austria
Denmark
Hong Kong
Indonesia
Italy
Macau
Republic of Ireland
Sri Lanka
Sweden
United States
What's included and excluded:France
Switzerland
Norway
Finland
Israel
http://www.three.co.uk/Discover/Phon...e-destinationsAll calls and texts to UK number (up to 3000 mins and 5000 texts for All-You-Can-Eat plans)
All data usage (up to 25GB for All-You-Can-Eat plans)
VPN works
Free to receive calls and texts (may seem obvious but actually inst all that common)
Numbers that start with 070,09 and 18 directory services are not included
Not designed for extended periods (can imagine international people taking the piss, £13 per month for 25gb sim in 16 countries!)
No hotspots or tethering!!