Iphone 3GS sw 3.1 how can i restore on 3.1.3?

[Ipko]

Anyone help me how can i restore this model on 3.1.3 iphone 3GS

Phone was on version 3.1

many thanks for your help

 

[maya]

GSM-Forum - Search Forums

 

[darksman]

if u have shsh files on cydia u can if not u cant

simple

 

[Ipko]

Yes i have save with umbrella only i have tick on save my shsh?

is that what needed?