Have Problem With iPad Baseband (06.15.00) Downgrade? Fix It Here!
Let’s fix iPad baseband not working downgrade in case you have this problem. Few days ago iPhone Dev Team launched new version of Redsn0w 0.9.14b1 specially to downgrade o6.15.00 baseband on iPhone 3GS (G) to 05.13.04 for Ultrasn0w unlock.
Also I wrote you a detailed guide on how to downgrade iPad baseband on iPhone quickly. But many users complained that 06.15.00 downgrade not working. So rely on that complains I have no reason to ignore that problem and I wrote this post specially to help users to fix iPad baseband not working downgrade.
Many user said that even after the process their iPhone was still on 06.15.00 and they could do nothing to get rid of this baseband. Some said that you should to clean Redsn0w cache and then began the process again. Others advised to build custom 4.1 firmware or to use iTunes for downgrade.
Well, thanks to our associates here I’ll show you two methods on how to fix 06.15.00 not working downgrade.
How to Fix iPad Baseband Downgrade If It’s Not Working
Step 1. Open iTunes, connect your iPhone to the computer and restore it to iOS 5.1.1 IPSW located on your computer.
Note: If you haven’t it use this link to download iOS 5.1.1 firmware.
Step 2. Open Redsn0w 0.9.14b1 (download it here if you need) and go to Extra => Even More => Clean Cache to clean it.
Note: If you are Windows user you must run Redsn0w as Administrator.
Step 3. Now you need to switch your iPhone off and click Jailbreak.
Step 4. If you click Jailbreak be sure to select ONLY Install Cydia.
Step 5. Now you need to put your gadget into DFU mode and let Redsn0w to finish jailbreaking process.
Step 6. After the end of the process just close Redsn0w 0.9.14b1 and launch it again.
Step 7. Go to Extras => Even More and Clean Cache again.
Step 8. Now you need to click Select IPSW in Extras and choose your iOS 5.1.1 IPSW (which is located on your computer).
Step 9. After Redsn0w 0.9.14b1 indicates your iOS firmware you need to turn your iPhone off and click Jailbreak.
Step 10. Now select only Install iPad baseband and prepare to enter DFU mode to begin installing iPad baseband.
Step 11. After the end of the process check if your iPhone baseband appears to be 06.15.00.
Step 12. To make sure if it’s working just run Cydia, find and install Ultrasn0w and make a call.
Step 13. If everything is fine open Redsn0w 0.9.14b1 again and Clear Cache like in Steps 2 and 7.
Step 14. Now go to Extras => Select IPSW (choose your iOS 5.1.1 IPSW file) and switch your iPhone off.
Step 15. Now click Jailbreak and select ONLY Downgrade iPad baseband.
Step 16. Put your iPhone into DFU mode click Next and wait till Redsn0w 0.9.14b1 downgrades 06.15.00 baseband.
And that’s it. Now you shouldn’t have any problems and be sure that you have just fixed iPad baseband not working downgrade and use 05.13.04 baseband and unlock it with Ultrasn0w.
Also here is the second method which you can use if iPad baseband does not downgrade; in case you have problems with the first method.
Step 1. To begin this method first you should to download iOS 4.1 firmware for iPhone 3G or 3GS:
Step 2. Connect your gadget to the computer and use Redsn0w or Sn0wbreeze to build custom iOS 4.1 IPSW.
Note: If you are iPhone 3G user you can can use any custom iOS 4.x.
Step 3. Now you need to enter DFU mode using iReb in Sn0wbreeze or Redsn0w.
Step 4. Open iTunes, wait till it indicates your device and holding Shift on Windows and Option on Mac click Restore button and select you downloaded iOS 4.1 firmware.
Note for 3GS users: In case you haven’t SHSH saved for iOS 4.1 ensure that your hosts file doesn’t point to Cydia server because Apple is still signing iOS 4.1 for iPhone 3GS.
Step 5. Now just wait till iTunes completes restoring process.
Step 6. After iPhone rebooting your baseband must be 05.13.04.
Step 7. In this last step you need to update your iOS 4.1 firmware to iOS 5.1.1 preserving 05.13.04 baseband and then unlock it with Ultrasn0w.
There is a method to update iOS to 5.1.1 preserving baseband with Redsn0w and you can use it for update.
And that is all you can do to fix iPad baseband not working downgrade. I hope that one of these methods was successful for you. If not – just let me know using comments form below and tell about your errors.
Update: There is news about iPad baseband downgrade so read them quickly.
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