ios 11.2.5 downgrade to 11.1.2

[dss862]

i have an ipad pro 12.9 inches 1st gen wifi with firmware 11.2.5 ... can i downgrade to 11.1.2? but i went to ipsw.me it's already unsigned... i have no shsh blobs for 11.1.2 .i have blob only for 11.2.5... is it possible to get the blob for 11.1.2 online so that i can downgrade my ipad pro to 11.1.2..please help

 

[BugeyeSTI]

Not possible. When it’s not signed anymore you’ve run out of options

 

[Tyler23]

BugeyeSTI is correct, what you want is not possible. You cannot downgrade your iPad.

 

[dss862]

is it possible to install cydia without jailbreak?

 

[chrfr]

is it possible to install cydia without jailbreak?

No.