I've bought a new Xiaomi Redmi 2 for a friend from Aliexpress.
It's a HM2014112 version
After long research i've successfully installed the fastboot rom of HM2014811
The problem is that this redmi 2 need the "NON-HLOS.bin" from the HM2014813 rom for network
(it's a HM2014811 (1gb ram, 8gb rom)...