Delete All Contacts from a Jailbroken iPhone
Jailbroken iPhones with Cydia installed have an additional option to delete all contacts at once. The "Erase Contacts" app from Cydia will get the job done. Follow the steps below to use the app from Cydia:
- Open Cydia and search for "Erase Contacts"
- Install "Erase Contacts"
- Locate the "Erase Contacts" icon from your home screen (Contacts icon with a red 'x' through it)
- Select the "Erase Contacts" icon*
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