Used jailbreakme on my 3gs for 4.0 and unlocked it for T-mobile. I changed the cellular data network settings to be able to send MMS message but I can't receive them. Can anybody help me?
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Used jailbreakme on my 3gs for 4.0 and unlocked it for T-mobile. I changed the cellular data network settings to be able to send MMS message but I can't receive them. Can anybody help me?
Please search before posting, this is an exceedingly common request and it must have been answered at least 5 times this week alone.
In any case, here's what you need to do:
Once you have iOS jailbroken and unlocked and you have carrier connectivity with T-Mobile, you need to either install the T-Mobile carrier bundle / T-Mobile MMS Fix from Cydia (which should make the requisite changes automatically) or follow the instructions to modify your APN settings to enable MMS on your device.
A quick google search found this as one of the first few results and the answer can be found there. I'm aware it says it's for the iPhone 4 but it will work for your 3GS as well.
Fix MMS problem on T-Mobile iPhone 4 running iOS 4.0.1, iOS 4.0