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amirali_3003
15th June 2011, 08:58 PM
hey ,

i'm new in this iphone 4 ....
i'm trying to install new version of iOs to my Iphone 4
my current version is 4.2.1 jailbreak i want to install brand new 4.3.3
i DL the 4.3.3 already , my iTune doesn't upgrade the iphone :the iphone software update server couldn't be contacted .
i don't know how to install iOs 4.3.3 i downloaded also i don't know what software should i use in order to upgrade .
also can you please give some sources to add in my cydia .
i almost forget after installation of new 4.3.3 how can i jailbreak it ?
also please let me know how can i save my contact from my phone before update

Dr_Inkduff
16th June 2011, 01:20 PM
the iphone software update server couldn't be contacted
This sounds like you don't have an active internet connection?
Make sure you are connected to the internet before upgrading.

If you back up your phone in iTunes before you update it (Right click your phone, then "Back Up") your contacts will be saved. You just have to make sure you restore from the backup when the new firmware is installed.
You can jailbreak it with the latest redsn0w.

Cheers

Huy
18th June 2011, 02:45 PM
Sync first. Backup.

Use iTunes. Hit alt/option on a Mac (Shift on a PC) Restore and update it to 4.3.3. Then jailbreak with PwnageTool on Mac or another tool on a PC.