SHSH blob backup question

i have no reason jailbreak wondering procedure use in order ensure jailbreak in future if wanted. download current ios firmware , backup current shsh blob without jailbreaking? tinyumbrella way this?

 

tinyumbrella want. no need jailbreak save blobs.

 

Forums iPhone, iPad, and iPod Touch iPad iPad Hacks

• iPhone
• Mac OS & System Software
• iPad
• Apple Watch
• Notebooks
• iTunes
• Apple ID
• iCloud
• Desktop Computers
• Apple Music
• Professional Applications
• iPod
• iWork
• Apple TV
• iLife
• Wireless