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moved cut sim from an iphone 4s to an iphone 6 plus, now data doesn't work.

7

73CortinaV8

macrumors 6502
Original poster
Sep 4, 2006
468
213
Palo Alto, CA
Work gave me an AT&T iphone 6.

My personal phone is an ATT iphone 4S with unlimited data. I thought I would be clever and switch the sims and back up and restore.

This is what I did:
1. backed up the 6 on one computer and backed up the 4S on another.

2. cut the sim of the 4S with a quality sim cutter.

3. reset all data/erased the iphone 6

4. plugged the 6 into the computer with the 4S backup, performed a restore from backup from the 4S backup. This seemed to work fine.

Except I have no data now on the 6. apps work ok on wifi, but things like mail give me this message: "you are not subscribed to a cellular data service"

The top of the phone display says "4G". LTE is enabled in the settings. I tried a hard reset. no dice. tried toggling LTE on and off. Data on and off. airplane mode on and off.

Calls work fine. Is a cut 4s sim not compatible with the 6? Anything else I should try before I give up on this and put this sim back in the 4s?
 
Att does their data strangely (or maybe it's a technical requirement I don't know) and required an LTE data plan as well as sim for the device. Theoretically you should be ok if you call in or online chat with a rep to get your data plan sorted.
 
You'd need to get an LTE nano SIM that fully supports LTE. You can buy one at Best Buy or go to AT&T (think theirs are free) The 4S uses the micro 3G sim and it also supports HSPA+ which isn't the same as LTE. Get an LTE SIM, go to best buy and have them do a simple hardware/SIM swap. Your overall plan wont change, with the exception of them simple adding LTE to your plan.
 
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