How to Read Spd pac file By Gsm ALaddin

First of All You Have to do these
Power on your phone
Usb Debug should be on
your phone must be rooted
put sd card on phone
Step
Connect your phone By normal USB Cable In power on condition

Go to Spreadtrum Tab & click on read Flash

select 6820/8810 Boot

Also tick Read Flash by debug
And Now your file Has Readed and saved on Temp folder

Here is Read Image files

Now its to Packet
Open Research Download Tool
And select Image files

after select click on Packet & click Yes

Now give location where want to save it

Packet DOne

Now Flash