APPsync is the most commonly installed patch for iPad, iPad and iPod touch after jailbreaking. After installation, you can bypass the system verification and install the cracked ipa software at will.

Specific installation method:

1. Open Cydia and select "Software Source" in the menu bar below.

2. In the software source, click "Edit" in the upper right corner.

3. Add a source and type 178 source (address: apt. 178.com).

4. Search appsync and choose to download and install according to your own system version.