How to fix No Service/Carrier signals and Ultrasnow on Iphone Running IOS 4.x.x or iOS 5 and iOS 5.0.1

If your Iphone is Showing No Service After jailbreak, Dont worry You are at right artical I will Show you step by step how to fix this with help of ultrasnow and also how to fix Ultrasnow if its not working. Ultrasnow is a iphone software (Available in Cydia) made by iphone developers team which Helps you to unlock your iphone.

Note: DO IT ON YOUR OWN RISK

1. Open Cydia and Go to Manage>>Sources>>Add, Add this repository/Source http://repo666.ultrasn0w.com
2. Now Go to search and Search for Ultrasn0w and install It.
3. If you dont have Wifi then Download .DEB file and Here is a little Tutorial on How to Install DEB files on Iphone/Ipod Touch/Ipad
4. Now all You have to do is Rebot your Device.

If its still not working You have to change Your Iphone Baseband to Ipad Baseband.Baseband is just your iPhones cellular modem firmware,  To Change your Baseband, you have to Download RedSnow For your iPhone (Current firmware).
Redsn0w For:
iOS 5.0.1: Windows  | Mac
iOS 5.0: Windows | Mac
iOS 4.x.x: Windows | Mac
OR All Version Of Redsn0w Can Be Found Here

And download  Current Firmware (.IPSW) of Your iPhone
1. Extract rar file and  run Rednow (You Dont have to Install it)
2. Browse Your Firmware and Click “Next >” then wait for redsnow to Prepare Data
3. Then uncheck everything and Only Check “Install Ipad Baseband” and Click yes
4. Now you have to Put your Iphone In DFU mode  (Redsnow Will Show you instructions when you click next or Search for it On Google Or Youtube on How to Do it) When your iphone is in DFU mode, Sceen Turns black (Dont worry)

Now Redsnow will Change Your Baseband To iPad Baseband. This will Fix Your Carrier Signals/No Service 100%

Having Trouble? Here is a Video

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4 Responses

10.04.11

Works , Thank You

10.04.11

i can’t find my firmware 4.3.3 …on the link current firmware

10.04.11

Hi, i followed ur tuto step by step but the redsnow suddenly quitted while it’s asking me to be patient….

10.04.11

Hi i did all the 3 options above but still i am not getting signal, please help me,

no signal i could not add repo and install ultrasnow in cydia,
2nd option did not work out.
3rd option is still not working, i am on 3GS ios 5.0.1 with baseband 06.15.00.

PLEASE send me instructions to shashiitrk@gmail.com and help me how to unlock my phone.

thanks

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