You don't need to go multi-line. Ask to add a wearable to your plan. It works. Here's a quote from the ATT website. Call the number:
Want unlimited data on a tablet or wearable without switching to a multi-line plan? Call us at 800.331.0500. Get our AT&T Unlimited Tablet plan for $20 a month or AT&T Unlimited Wearable plan for $10 a month.**
You are correct. A Multi-Share Line Group is not required. The reps don't really understand the "wearable" devices and how to support them very well.
In fact you can add up to 2 of the AT&T Unlimited Wearable $10 plans to a single line AT&T Unlimited Choice℠, AT&T Unlimited Plus℠, AT&T Unlimited Choice℠ for Business, or AT&T Unlimited Plus℠ for Business plan (“Your Single Line Unlimited Plan”) by calling 800-331-0500. Note: These are the current plan names but the same $10 plan can be added to other qualified Unlimited Plans.
For example you can also do this with the iPhone with Grandfathered Unlimited Data. As you mentioned in an earlier post, you have to evaluate what plan best meets your individual need(s).
Dave
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One issue I have found is I have 10 devices on my account already. It will not allow me to add another one. Going to have to remove an old ipad and try again.
Bingo that's a problem, the 10 device is a hard limit. Maybe this is what caused your errors your posted previously.
Dave
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Single Line Plans AT&T subscribers.
Has anyone been able to get their watch activated? I have the unlimited plus single line and will have to upgrade to a multi line service in order to use th Watch per AT&T store folk.
Again this is just not a requirement. The reps don't understand the "wearable" plans and think you have to move to a Muli-Share Line Group since the wearable plan is an "Unlimited plan and since you already have a plan, they think 2 lines always equals a need for a Multi-Share Group because that's how it works or multiple Smartphones.
Just keep asking if they know how to correctly add a $10 AT&T Unlimited Wearable plan.
Dave