Gotten this from a friend really solve my problem. MyWi can be downloaded from Cydia but of course you would probably need to pay it after the trial period. There is other "cracked" MyWi which you would need to first jailbreak your iphone, and add additional source as follow:- 1. Open your Cydia 2. Goto Manage>Source>Edit>Add 3. Add http://sinfuliphonerepo.com Then, go to Search and look for MyWi (cracked version), download and install it! Tata... you got it working!
This is meant for educational purpose.