AT&T Unleashes Affordable Unlimited Data for “Connected Cars” – Chevy OnStar or ZTE Mobley

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Recent model Chevy owners now have access to an unlimited data plan for only $20 per month.

Since 2015 most new Chevy, Buick, GMC, and Cadillac vehicles have come with "OnStar with 4G LTE" built in - adding an AT&T-powered Wi-Fi hotspot capability to the classic car-integrated OnStar security and navigation features.

The basic idea is to keep your passengers entertained and online while underway.

But the rather limited and expensive data plans made this a worrisome prospect. A backseat full of kids each streaming their favorite show could blow through a data plan FAST after all!

To address this concern - yesterday (March 3rd, 2017) Chevy and AT&T began offering a new unlimited data plan for Chevy's with LTE OnStar built in.

Now you can use as much data as you want, for just $20/month!

But there are two big catches:

  • You need to have a nearly new Chevy.
  • The hotspot is only functional when the key is in the ignition, not all the time.

For RVers who are more concerned with data while stopped than while underway, this is a deal-killer.

But fortunately, there is an alternative - the ZTE Mobley.

With AT&T's Mobley Connected Car device installed, you can now get the same ridiculously cheap unlimited data plan - with no Chevy required.

And if you know what you are doing, you don't even need to keep a key in the ignition to stay connected - letting you stay online 24/7.

First Off - What is a Mobley Connected Car?!?

The ZTE Mobley can plug into the ODB-II port found on most vehicles manufactured since 1996, connecting them to AT&T's network and allowing up to 5 other devices to connect to the in-vehicle hotspot.

The Mobley is a small $99 device designed to plug into the OBD-II port found under the dash of most modern cars. When the key is in the ignition - the Mobley comes alive, creating a Wi-Fi hotspot to get 5 devices online while the vehicle is underway.

The Mobley isn't anything new - we wrote about it last May when it became the only "official" way to get unlimited hotspot data on AT&T.

But in the past to get an unlimited Mobley plan required also having an unlimited smartphone line with AT&T, and you also needed to be a DirecTV subscriber.

In the past few weeks AT&T has dropped both those requirements - and now AT&T has a promotional offer going until July 17th for a "Connected Car Unlimited Data Plan (standalone)" that does not require DirecTV or any other AT&T plan at all to activate a Mobley.

The standalone plan initially launched at $40/mo - and now AT&T has dropped it to match the Chevy pricing.

Yep - just $20/mo, for all-you-can eat AT&T! (plus taxes & fees, which vary by location.)

But there are still some catches and complications....

Using Mobley in an RV - 24/7

This adapter will allow you to plug a Mobley into an AC power jack, no special under-dash OBD-II port required.

Most RVs lack an easily accessible OBD-II port - and even if you have one, who wants internet that only works while the engine is running?

But - there is a way around this that enables the Mobley to run 24/7!

Instead of using the OBD-II port, you can instead get an adapter that will power the Mobley directly.

If you're comfortable, you can hack together an adapter on your own for a few bucks, or you can purchase one from someone who has done them. You can find AC, 12v and even USB powered ones on eBay (just search 'Mobley adapter') and the AC Power adapter on Amazon (just $37) - making it easy to keep a Mobley powered in an RV. We've even seen some folks hack together an external battery (video link) for the Mobley.

With the Mobley powered on continuously - you then need to change the default device settings to keep it from falling asleep every 2 hours. Once you do this, you have enabled 24/7 usage!

TIP: The ability to disabled the sleep mode was added to the Mobley via a firmware update. If you buy one, you may need to wait a day or two before the Mobley downloads the update before you can disable sleep mode.

Other Mobley Catches

One other big catch with the Mobley is that it is a relatively limited and out of date hotspot relative to newer AT&T devices like the Netgear Unite Explore. In particular, the Mobley does not support LTE Advanced carrier aggregation, so it will be slower than other modern AT&T devices in the same locations.

The Mobley also lacks any support for an external antenna.

And you can only have five simultaneous Wi-Fi devices connected to the Mobley directly, unless you add a Wi-Fi as WAN router to repeat the network.

And like most AT&T plans, the Mobley Unlimited plan is subject to "network management" slowdowns after 22GB of usage in a month. The unlimited Connected Car plan is also for US use only, and will not work internationally at all.

But - people experimenting with the Mobley have been getting good speeds overall, and have not noticed much network management issues so far.

Our MIA members got tipped off about this plan two weeks ago, before the Mobley became widely sold out.

FAQ: Can You Transplant a Mobley SIM?

AT&T's Connected Car plan is intended specifically for the Mobley hardware, and AT&T can detect if the SIM card is moved into any other device. But since the plan is so new, it is unclear at the moment if they will do anything to block people from doing this.

We'll be monitoring forum threads to see if people are successful with transplants, particularly long term.

Getting The Connected Car Plan

We gave our MIA members a heads up about the new Mobley, and many were able to jump on this offer.

If you have one of the new AT&T Unlimited Plus or Choice smartphone plans, you can add a Mobley onto the plan for $20/mo (however, we recommend adding the Unite Explore instead, it's a better all around device and still gets the same unlimited plan).

But even if you do not have any other AT&T plan, you can still sign up for just $20/mo - and it's gotten even easier!

March 30, 2017 Update: The Connected Car Stand-Alone Plan is available (when in stock) on AT&T's website. To order it:

Go to the Mobley Order Page from the AT&T Connected Car Department, and click 'Continue'.

- Choose either the 2-year contract or purchase the device for $99, accept or decline the the insurance.

- On the next screen - viola - the choice to pick the Unlimited plan.

(Note, do NOT let anyone talk you into the similar looking Audiovox device as a substitute, it is NOT a hotspot device and will not work on this plan!)

Alternatives:

Due to the high demand of this plan, various online options are frequently sold out.  Here are some places to check for current stock on the Mobley:

  • Amazon
  • Best Buy Online (or you might find one in a store)
  • eBay
  • ZTE VM6200 is the Canadian model number for this device, and you may be able to find one unbranded to AT&T that you can activate. There's a seller on Amazon selling them who ships them already with the sleep mode turned off, able to connect 10 devices (instead of 5) and sends instructions on correctly setting the device up for US use. He can also sell you a AC adapter.

Activating the Plan

You will then need to get the plan activated with AT&T. Make sure you request the STAND-ALONE Connected Car plan for $20/month - not the Unlimited Plus add-on account. This is a postpaid plan, so thus you will need to pass AT&T's credit check (those who can't may be asked to put up a sizable deposit.)

Most representatives at corporate AT&T stores or their central call number do not know about this plan.

Many have reported back that they have had the best luck calling the Connected Car department directly at 866-595-1222, instead of the general AT&T line.   And others have been able to get representatives at Best Buy stores to set up the plan.

Expect challenges and possibly having to go through multiple representatives until you find one familiar with the plan to get this setup. Also expect that if you have purchased a Mobley outside of AT&T that you may be requested to physically go to an AT&T store and purchase a AT&T SIM card.

May 2, 2017 - A new video tutorial to using and configuring the Mobley:

Member Exclusive


Our members have additional exclusive access to some tried & true methods for getting this plan that other members have been sharing.

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For more info on the Mobley and this plan, check out:

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