Solve Different SIM Card Detected Issue using Hactivation Patch from Cydia

When you are finished jailbreaking iPhone, you'll be taken on several issues that may occur on your iPhone. Including the problem of "Different SIM Detected" after jailbreak your iPhone. If you are in a situation like this, then you have to do is to follow several procedures, including adding the repo and install cydia app on your iPhone.

A few steps below apply to the iPhone jailbreaking 4, iPhone 3Gs, and iPhone 3G.

1. Reinsert your Phonebook SIM card to come out of emergency mode (Different SIM Detected)

2. If you already have Cydia, run Cydia from springboard then you have to go to Manage >> Source section, click Add button and add the following URL repo sources
http://cydia.pushfix.info

3. After URL repo added, you have to search "Hacktivation"

4.. After found, Install Hactivation Patch from search results then confirm and wait until process finished.

Now just start using your SIM card after your Phonebook SIM Card removed.