If you have unlocked your iPhone on 3.x with UltraSn0w or BlackSn0w then your push notifications might not be working properly. But now a new package named “Push Doctor” has been released in Cydia which provides a way to fix push notifications for hacktivated iPhones. Moreover Push Doctor is available for free for all hacktivated iPhone users. Unlike PushFix which has a shared certificates, Push Doctor gives you unique certification.

If you have a Jailbroken and Unlocked iPhone 3GS/3G/2G on 3.1.3 then you can follow the below guide to install Push Doctor and enable fix push notification on iPhone 3GS, 3G and 2G.

Fix Push Notifications on Unlocked iPhone 3GS, 3G and 2G With Push Doctor

1. On your iPhone, press to launch Cydia from your SpringBoard and select the Manage tab.
2. Press the large Sources button and touch the Edit button at the top right of the screen.
3. Now press the Add button at the top left of the screen and type “http://www.cmdshft.ipwn.me/apt/” as the source and touch the Add Source button.
4. After the source is added successfully press the large Return to Cydia button and after that press Done.
5. Now search for “Push Doctor” from the search tab and install it.
6. After the installation is done, reboot your iPhone to enjoy push notifications.