Inferno SPD_V1.0D SC7731 Read Factory Backup Failed


Phone state: Brand New – not used anytime
Software Settings – ticked Android 5.x and Higher Boot Version (unticked any of these option is Boot read failed)

Phone Information:

Quote:

>>Operation:
1.Remove battery and insert battery back.
2.Press and hold ‘VolumeUp’ and ‘VolumeDown’ keys.
3.Please insert USB cable within 60 seconds.
>>Analysis of USB port,Please insert phone USB cable.
>>Phone found[SPRD U2S Diag (COM3)]
>>Internal version: SPRD3
>>Boot downloaded.
>>INFERNO SPRD 773x bootloader v4.0
>>Boot downloaded.
>>Name: SCAC45BNE
>>Brand: archos
>>Device: ac45dpl
>>Release Version 5.1
>>BaseBand CPU: SCAC45BNE
>>Project Version: 45BN-2016.05.06@ARCHOS.20160421.065611.Ungnadia
>>Ext Info: Archos 45b Neon

Backup Factory Files Log:

Quote:

>>The partition information has been extracted.
>>Operation:
1.Remove battery and insert battery back.
2.Press and hold ‘VolumeUp’ and ‘VolumeDown’ keys.
3.Please insert USB cable within 60 seconds.
>>Analysis of USB port,Please insert phone USB cable.
>>Phone found[SPRD U2S Diag (COM3)]
>>Internal version: SPRD3
>>Boot downloaded.
>>INFERNO SPRD 773x bootloader v4.0
>>Boot downloaded.
>>CPU TYPE[SCAC45BNE]
>>The storage path is C:\InfernoKey_SPD\_download190653
prodnv.img read complete.
wmodem.bin read complete.
wdsp.bin read complete.
wnvitem.bin read complete.
wcnmodem.bin read complete.
wcnnvitem.bin read complete.
logo.bmp read complete.
boot.img read complete.
system.img read complete.
>>Reading cache.img
>>Reading cache failed.

I want read factory files and repair other halfbricked phone – same model.