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Can you use iPhone 4 sim card in iPhone JB 3GS

M

mjaco002

macrumors member
Original poster
Feb 13, 2009
77
8
I was able to jailbreak my iPhone 3GS and it works perfectly fine.

I also have a iPhone 4 that I activated.

I want to how I can use the iPhone 4 micro sim card in my JB iPhone 3GS.

I did get the mirco-sim to sim adapter but when i put the thing in my iPhone 3GS it doesn't give me any connection.

Can you help??
 
mjaco002 said:
I was able to jailbreak my iPhone 3GS and it works perfectly fine.

I also have a iPhone 4 that I activated.

I want to how I can use the iPhone 4 micro sim card in my JB iPhone 3GS.

I did get the mirco-sim to sim adapter but when i put the thing in my iPhone 3GS it doesn't give me any connection.

Can you help??
Click to expand...

The sim should work did you try restarting? After I took the sim out of my iPhone 4 and put it back it took a couple minutes before it registered a signal.
 
himni said:
The sim should work did you try restarting? After I took the sim out of my iPhone 4 and put it back it took a couple minutes before it registered a signal.
Click to expand...

I restarted...i reset the settings. I tried the sim in my wife's phone as well. It worked in her's but i think it was because it was unlocked before.

Do i have to unlock my 3gs?
 
Yes. I'm using right now. I'm not using my Iphone 4 untill I receive the cases I bought. Another reason that I will be using my 3GS is because Im driving to florida next week and I need TOMTOM and tethering (PDANET only).

:D
 
mallom said:
Yes. I'm using right now. I'm not using my Iphone 4 untill I receive the cases I bought. Another reason that I will be using my 3GS is because Im driving to florida next week and I need TOMTOM and tethering (PDANET only).

:D
Click to expand...

Great...thanks

I will just unlock the phone and hope everything works...:D
 
OceanView said:
I don't think you have to unlock an AT&T phone to use on their own network do you?
Click to expand...

Not normally, but for iPhones you do... Kinda silly. Kinda defeats the purpose of a sim card in the first place if they don't even normally let you freely transfer among iPhones on their own network!
 
What about cloning the sim?

If I clone the micro sim card and keep my 3gs for things like tethering and Mywi, I assume I can use both phones so long as only one is on at one time.

Is there something wrong with this logic?
 
mteahan said:
If I clone the micro sim card and keep my 3gs for things like tethering and Mywi, I assume I can use both phones so long as only one is on at one time.

Is there something wrong with this logic?
Click to expand...

I would love to know if this would work too. Wanna clone my sim to use in my old 3g. Already have the micro-sim adapter. But would be nice to not have to swap sims every time I want to tether with MyWi.
 
I would love to know if this would work too. Wanna clone my sim to use in my old 3g. Already have the micro-sim adapter. But would be nice to not have to swap sims every time I want to tether with MyWi.
Click to expand...
Precisely. I'm waiting to know as well.
 
jlmitnick said:
Not normally, but for iPhones you do... Kinda silly. Kinda defeats the purpose of a sim card in the first place if they don't even normally let you freely transfer among iPhones on their own network!
Click to expand...

does anyone know if this is the same for UK networks? i'm with Vodafone with a 3gs and might be swapping for my mums iphone 4 which is also on vodafone so long as i can get them both to work which i haven't completely worked out yet, any help is greatly appreciated.
 
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