=== LOG ===
Waiting For Device Connection... 
USB PORT: SPRD U2S Diag (COM29)
Port: SPRD U2S Diag (COM29)
Manufacturer: UNISOC Communications Inc.
Update partitions table... OK
Erase default partitions
 Erase uboot_log... OK
 Erase w_runtimenv1... OK
 Erase misc... OK
Flash splloader > Size: 0.00 bytes... OK
Flash vbmeta > Size: 1.00 MB... OK
Flash w_modem > Size: 16.00 MB... OK
Flash w_deltanv > Size: 1.00 MB... OK
Flash w_gdsp > Size: 10.00 MB... OK
Flash pm_sys > Size: 1.00 MB... OK
Flash gpsgl > Size: 1.00 MB... OK
Flash gpsbd > Size: 1.00 MB... OK
Flash wcnmodem > Size: 10.00 MB... OK
Flash boot > Size: 35.00 MB... OK
Flash dtb > Size: 8.00 MB... OK
Flash dtbo > Size: 8.00 MB... OK
Flash recovery > Size: 35.00 MB... OK
Flash system > Size: 2.54 GB... OK
Flash userdata > Size: 0.00 bytes... OK
Flash cover > Size: 2.00 MB... OK
Flash logo > Size: 2.00 MB... OK
Flash fbootlogo > Size: 2.00 MB... OK
Flash cache > Size: 150.00 MB... OK
Flash vendor > Size: 200.00 MB... OK
Flash product > Size: 20.00 MB... OK
Flash trustos > Size: 6.00 MB... OK
Flash sml > Size: 1.00 MB... OK
Flash persist > Size: 2.00 MB... OK
Flash uboot > Size: 1.00 MB... OK
Rebooting... OK
Elapsed Time: 1 min, 25 secs, 672 msecs
Total WRITE Data: 2.87 GB
Operating speed: 34.35 MB/s