Which 3gs is unlockable

If yours is listed above, simply scroll down straight to how to unlock your phone, and if not, keep reading. But wait… before you upgrade to iPad baseband Actually, any iPhone 3GS manufactured after the 27th week of is likely to be damaged if you try to upgrade the baseband to This site offers that service, just enter your serial number in the space provided to know your production week and year.

The third represents the year and the fourth and fifth stands for the week. Paste the IMSI number you copied in step 6 now. Unfortunately if the numbers do not match you will need to restart the process from the beginning.

Finally re-connect your iPhone to iTunes and do not be worried if any error messages pop up alerting you that your iPhone cannot be activated. Simply ignore these messages and restart iTunes a few times. Step 10 — After a few minutes you should notice signal bars on your iPhone. This means the process has been successful and you now have an unlocked iPhone with the SIM card of your choice.

Or tell us about another method you've used to unlock this phone. If you have an iPhone 3GS it is pretty easy to unlock for free. It involves a process known as jailbreaking opening up the software on your phone and then running some additional software to perform the actual unlock.

The first thing to do is to check that there is an available unlock for the version of iOS and baseband modem firmware that you are using, or that there is a downgrade to a supported baseband. At the time of writing the latest version of iOS with an available untethered jailbreak and unlock is 5. Check the iPhone Dev Blog for updates.

Saved me a few phone calls Perfekt, nach kurzer Zeit war das Smartphone entsperrt, hat nur 2 Stunden gedauert, wirklich zu empfehlen. Load more. Unlock iPhone iPhone 3GS. Steven - Very good service Richard - Always very good, a pleasure dealing with you. How to check if my iPhone 3GS is unlocked? The easiest way to check if iPhone 3GS is permanently unlocked is by inserting a different simcard from different networks.

However if the device has a signal and you can make calls or send text messages iPhone 3GS is unlocked. If you don't have a simcard from a different network or you don't know the original network, you can use this service which helps you check your iPhone carrier and country check for iPhone 3GS.