Connecting to Download port...
Make sure battery is fully charged before flashing !!!
Power off the phone, Disconnect and reconnect the battery(if possible), Hold the VOL DOWN or VOL UP+DOWN and connect USB cable
Scanning Download port... Done.
Detected SPRD U2S Diag (COM6)
Connection status: XHCI:HUB3:HUB3:USB 2.0 High-Speed
USB Driver: [DriverCoding Corporation] sprdvcom, version: 2.0.0.114, date: 6-27-2014
Boot id: SPRD3
Sending FDL ... Done.
Boot version: Spreadtrum Boot Block version 1.1
Change baudrate to 460800 ... Done.
Sending NAND_FDL ... Done.
Reading prodnv, size: 5 MiB... Done.
Reading miscdata, size: 1 MiB... Done.
Repartitioning ... Done.
Downloading prodnv, size: 5 MiB... Done.
Downloading miscdata, size: 1 MiB... Done.
Erasing uboot... Done.
Downloading splloader, size: 32 KiB... Done.
Downloading boot, size: 11.42 MiB... Done.
Downloading recovery, size: 12.17 MiB... Done.
Downloading system, size: 2.20 GiB... Done.
Downloading userdata, size: 10.20 MiB... Done.
Downloading logo, size: 401.37 KiB... Done.
Downloading fbootlogo, size: 401.37 KiB... Done.
Downloading cache, size: 5.22 MiB... Done.
Erasing l_runtimenv1... Done.
Downloading persist, size: 2 MiB... Done.
Downloading sysinfo, size: 5 MiB... Done.
Downloading uboot, size: 474 KiB... Done.
Completed in 10 mins 2.943 s