anyway to swtcih between my iphone4 and my unlocked 9780 WITHOUT calling att?

**dvigue** · 03-20-2011, 10:45 AM

i know with tmobile, i was able to switch between both phones with no prob, att tells me i will have to call every time i switch back and forth to change my IMEI number

is there anyway around that so i dont have to call every time??

**cavingjan** · 03-20-2011, 11:13 AM

shouldn't have to call. You should be able to do it online. You just need to drop the iphone data plan and add the BB data plan.

Is this a one time switch or is this switching back and forth on a regular basis?

**blackstrat** · 03-20-2011, 11:14 AM

Just swap sim cards it should work.

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**tbrenn** · 03-20-2011, 11:14 AM

You should be able to just swap sim cards, however if your data plan does not have BIS on it, you will most likely experience issues with the 9780...

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**GTWalling** · 03-20-2011, 05:52 PM

Also if you do not have BIS, ATT will add it when the Blackberry registers with the network.

**tbrenn** · 03-20-2011, 06:21 PM

That's good to know GTWalling, thx. I swap between my torch and my iPhome 3gs. I have had any issues because my plan/contract is for the BB, so I have BIS. I have had no issues going to the iphone, and back.

OP - get them to add bis, or just have a blackberry plan, and then swap to your iphone I guess

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**dvigue** · 03-21-2011, 06:44 AM

oh so that will work? att told me i have to call every time...i know that is how it worked with tmobile. i could switch back and forth no probs..

**Taxman45** · 03-21-2011, 07:16 AM

I had to call ATT one time to switch to BB data plan. Otherwise the BB doesn't work right. When I put the SIM back in the iPhone I could no longer use Internet because I didn't have a data plan. I Googled and found I had to install a custom profile to get Internet on the iphone. There is a website called unlockit that does this. Now both phones work fine with the same SIM

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**dvigue** · 03-21-2011, 08:09 AM

Originally Posted by Taxman45

I had to call ATT one time to switch to BB data plan. Otherwise the BB doesn't work right. When I put the SIM back in the iPhone I could no longer use Internet because I didn't have a data plan. I Googled and found I had to install a custom profile to get Internet on the iphone. There is a website called unlockit that does this. Now both phones work fine with the same SIM

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i will try that tonight..where do i get the iphone app? cydia? appstore?

**belfastdispatcher** · 03-21-2011, 08:45 AM

Does the iphone4 not have a smaller simcard?

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**dvigue** · 03-21-2011, 08:47 AM

Originally Posted by belfastdispatcher

Does the iphone4 not have a smaller simcard?

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Yep, but i made and adapter for it...works great

**Webby** · 03-23-2011, 10:36 AM

Just switch the SIM cards.

**pkcable** · 03-23-2011, 01:39 PM

Moved to ATT Forum

**Mister Xiado** · 03-26-2011, 10:50 PM

Hello, everybody above this line is wrong.

The only way to get BIS + Apple service is if you already have an unlimited smartphone data feature. Then you can swap all the live-long day with no worries, provided you know about the BIS+Apple data feature. Otherwise, no dice.

Oops, I neglected to cover the fact that the iPhone 4 in the US uses a chopped-up SIM that won't work in other phones straight away.

**techjunkieforlife** · 03-27-2011, 07:54 PM

Best way is just make AT&T keep the unlimited BIS plan active on you account then you can switch to any phone you like, thats what I did. Since you have the SIM mod fixed you would be good to just SIM switch.

**diaz1023** · 03-29-2011, 11:28 AM

Originally Posted by Mister Xiado

Hello, everybody above this line is wrong.

The only way to get BIS + Apple service is if you already have an unlimited smartphone data feature. Then you can swap all the live-long day with no worries, provided you know about the BIS+Apple data feature. Otherwise, no dice.

Oops, I neglected to cover the fact that the iPhone 4 in the US uses a chopped-up SIM that won't work in other phones straight away.

Ok so what is the BIS+Apple data feature? I originally had the 9800 with sim, then i bought a iP4 from member here, went to ATT to get the micro-sim for the iP4 had the iphone activated and still kept the unlimited data. i wanted to go back to the 9800 so i used the micro sim adaptor to use it. i do have the unlimited data/BIS plan. If i understand this correctly, all i have to do is put the micro sim back in the iP4 if i want to use that and there is no need to call ATT? i dont want to lose the unlimited plan so that is why i call. can you help clear this up for me? TIA

**Mister Xiado** · 04-10-2011, 12:01 PM

Sorry about the weeks long absence.

It's a very obscure feature. If you already have unlimited data for a BlackBerry, you can get BIS+Apple data. It's almost completely unknown, so do not be surprised if nobody in customer care has ever heard of it. It exists, but may require a case to have added to your line.

**diaz1023** · 04-10-2011, 02:45 PM

awesome and thanks for the reply, i will be calling att either later today or tomorrow and let post the results.

**Mister Xiado** · 04-11-2011, 11:57 AM

Alright. Just keep in mind that every time you want to switch between an iPhone 4 and every other GSM phone, you will need a new SIM card, and will need to have Customer Care activate it. A colossal pain in the neck. This is not the case with a 3Gs, though.

**wiggy1** · 04-14-2011, 08:11 AM

Shouldn't be a probablem since the data plans are priced the same. You just need the BIS access. I expect you cna get the BB data plan and then it will be seamless between both. Just use an adapter and be sure not to have the micro-SIM fall out when inserting/removing from the BB or you will bend the SIM card contacts.

**ItnStln511** · 04-14-2011, 12:43 PM

Will AT&T try and get you to drop the unlimited data plan?

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**GJX** · 04-21-2011, 03:02 AM

I have a 9700 with an unlimited plan. Called at&t about switching my sim between my bold and a 3gs and they said it was not a problem as far as they're concerned.

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