H MOBILE CHINA IMEI REPAIR 100% OK
USE GPG DRAGON 3.51
h-mobile SM-350 SM-B312E IMEI REPAIR solution

please press Power on/off button...
CPU ID: 8809 4009
Flash ID : 00C86016
Flash Type: SF_GD25LQ32 
Flash Len :0x400000(4M)
Boot downloading complete!
Change imei finish.
Detection initiated, connect the phone and power on it...
Vcc: null
Gnd: 3
RX: 1, TX: 2

please press Power on/off button...
CPU ID: 8809 4009
Flash ID : 00C86016
Flash Type: SF_GD25LQ32 
Flash Len :0x400000(4M)
Boot downloading complete!
Flash_size:0x400000
IMEI1:358279xxxxxxxxx
IMEI2:354644xxxxxxxxx
IMEI3:354497xxxxxxxxx