Jailbreak users always requires computer
to re-sign Yalu iOS 10.2 Jailbreak app using Cydia Impactor that expires every
7 days. So it is bit time consuming matter that you need a computer to re-sign
your Yalu app on your iOS 10.2 jailbroken devices but a very good news for
jailbreak users that you don’t need any computer to re-sign Yalu jailbreak. 
How to install and Use Extender Installer to Re-Sign iOS 10.2 Yalu Jailbreak
A
new cydia package know as Extender Installer is now available in Cydia that
automatically re-sign iOS 10.2 Yalu jailbreak as soon as it expires which is
very easy to install and use.
How to install Extender Installer on
your iOS 10.2 jailbreak devices
Step 1: Open Cydia and go to the
Sources tab.
Step 2: Next Tap on Edit >
Add, and then add the following repo: repo.incendo.ws.
Step 3: After you have added,
search for Extender Installer and install it.
Extender Installer is now available in Cydia that automatically re-sign iOS 10.2 Yalu jailbreak as soon as it expires which is very easy to install and use

Step 4: After installing Extender
Installer
, your device resprings.
Step 5: Now go to the Home screen, you
will See the new app called Extender.
Extender Installer is now available in Cydia that automatically re-sign iOS 10.2 Yalu jailbreak as soon as it expires which is very easy to install and use
How to use and Re-Sign iOS 10.2 Yalu
Jailbreak with Extender Installer app 
Step 6: Open the Extender app and go
to the More tab.
Extender Installer is now available in Cydia that automatically re-sign iOS 10.2 Yalu jailbreak as soon as it expires which is very easy to install and use
Step 7:  Tap on the Sign In button
and enter your Apple ID and password.
Step 8: Along with that you can
find an option in the same more tab in the configuration section saying
 ‘Re-sign Application When’ that specify when apps should be
signed automatically.

That’s it. You can now auto re-sign Yalu
iOS 10.2 Jailbreak with Extender Installer
and you can view all the apps that
are signed from the Installed Tab.