Then there is JiaYu
A JiaYu G4S with 2 Gb RAM, and 16 Gb of storage, 720p Gorilla Glass 2 IPS screen dual sim both 3G, 13 MP main camera with backlight sensor, anmd up to 64Gb Micro SD support but no 4G can be bought from China if you are willing to take the risk. for around £130, Amazon around £150 (some on there are the quad core earlier version) Winning feature with that one is the 3,000Mah battery, that still shows 60% after a hard days use. qith two sSIM cards active Shocked my son by benching similar to his Nexus 5 at "7,000 odd in Antutu, but he is in battery panic and on the charger by lunchtime. There are other cheaper JiaYu phones also, along with otheer good Chinese brands. An option if you need dual sim, as in why carrty two phones when one will do?