Illustration of a broken data meter.

Getty/ Aurich Lawson


Comcast’s data-usage meter provided countless consumers incorrect readings for 2 months due to the fact that of a software application bug, triggering the broadband company to improperly charge about 2,000 users for surpassing their month-to-month information caps. Comcast has actually confessed the mistake and informed Ars it is offering refunds and extra credits of $50 each to consumers who paid information excess costs that should not have actually been examined.

We called Comcast 2 weeks earlier after we spoke with a client in Duluth, Georgia, who discovered that Comcast was tape-recording significant information use on his account even when he wasn’t utilizing the Web. The client, Michael (who requested we not utilize his surname), apparently had actually surpassed his 1TB month-to-month information cap. However when he disconnected his modem overnight, Comcast taped another 40 GB of use throughout a 15- hour stretch in which he could not have actually utilized any information.

Our questions to Comcast and problems from other consumers on social networks triggered the business to examine. A Comcast representative informed us what the examination found the other day.

Comcast engineers discovered that the issue started after the business began presenting a brand-new billing system in early August. The information meter was obviously still gathering precise information, however the numbers were being reported in the brand-new billing system improperly.

Comcast stated it’s still attempting to determine if the bug remains in the meter software application, the billing software application, or in the interaction in between the 2. What Comcast understands for specific, the representative stated, is that the issue was repaired when it rolled back to the previous variation of its billing software application.

Comcast’s declaration to Ars stated:

While upgrading our information use meter to a brand-new system, a software application mistake took place leading to a little number of our consumers being billed improperly. We’re really sorry for bothering our consumers and here’s what we’re doing to resolve it: We repaired the technical problem, we’re proactively crediting the accounts impacted, and we’re offering those consumers an extra $50 credit to make it right.

Comcast implements information cap in 27 states

The back-end software application upgrade was presenting slowly, one CMTS (cable television modem termination system) at a time, so the data-meter bug didn’t impact most consumers. Comcast implements a 1TB month-to-month information cap in 27 of its 39 states and charges $10 for each extra block of 50 GB, as much as an optimum of $200 each month. Clients can get unrestricted information for an additional $50 a month.

Comcast informed us that a couple thousand consumers were improperly charged for excess, however the overall variety of consumers who were provided incorrect information readings was most likely substantially greater. That’s due to the fact that the issue triggered incorrect readings in both instructions, with some consumers getting a number that was too expensive and others getting a number that was too low. Likewise, consumers who had readings that were too expensive would not always have actually been struck with excess costs due to the fact that the readings may still have actually been under the 1TB cap, and Comcast enables 2 courtesy months prior to billing for excess.

Comcast stated the incorrect readings impacted a portion of 1% of its consumers, however it decreased to offer a more particular number. Since Comcast has 27.8 million broadband customers, a portion of 1% might be 10s of countless consumers.

Comcast informed Ars that it had the ability to determine the consumers who were incorrectly billed excess costs and is proactively using the expense credits and $50 extra credits to those consumers’ accounts. Clients do not need to get in touch with Comcast in order to get the credits, and the business will connect to individuals who were improperly billed to describe what occurred, Comcast stated.

The issue wasn’t separated to one state, as Comcast stated it impacted consumers in states from the business’s Central and Western United States departments. Comcast does not impose information caps in the Northeastern United States, where it usually deals with more powerful competitors.

Comcast still has work to do. Even consumers who weren’t overcharged may see incorrect information counts or the words “not appropriate” rather of a particular number if they examine their accounts today. Some consumers might see higher-than-actual information readings while others might see lower-than-actual information readings, Comcast stated. However the business informed us it will have the ability to upgrade client accounts with precise readings for the August-September duration.

Comcast likewise requires to determine how to release its brand-new billing software application without activating the issue once again. Comcast stated it acquired the software application from a supplier which it is expected to be an upgrade over its existing billing system.

While the business is still examining the specific nature of the bug, Comcast informed us that the bug “rearranged” the information counts in an unreliable method, possibly implying that some individuals’s information use was incorrectly used to other individuals’s Comcast accounts. The choice to roll back to the old software application on October 2 offers Comcast engineers time to determine precisely what occurred and do additional screening prior to trying to re-install the brand-new software application.

Clients have actually been going over the issue on Reddit, Twitter, and a Comcast client online forum

Some consumers are currently seeing modifications in their information use readings. Michael’s information use readings returned to typical after a Comcast specialist switched his modem for a brand-new one. That took place prior to Comcast found that the issue remained in its billing software application, and it’s unclear why a modem switch would have had any impact on his issue.

Relying On Comcast

This isn’t the very first time Comcast has actually improperly counted information use. In December 2015, we composed about Oleg, a developer from Tennessee who was implicated of utilizing 120 GB of information while he was overseas on holiday. Comcast firmly insisted that somebody should have hacked into his Wi-Fi network and utilized the information. However when Oleg consequently detached his cable television modem for a week, Comcast’s meter kept counting information that wasn’t being utilized. Comcast lastly confessed its error and stated the business had actually entered his modem’s MAC address improperly into their billing system.

We detailed other issues in our September 2016 function “ Tales from Comcast’s information cap country: Can the meter be relied on?” In one case, Comcast confessed to Ars that a “table display screen bug” triggered incorrect information readings for a client.

The procedure of challenging data-meter readings bores and frequently irritating for consumers due to the fact that Comcast uses no other way for users to validate that private information readings are proper. Comcast customer care representatives are likewise fast to blame consumers and firmly insist that Comcast’s information meter is foolproof, even when consumers determine their own use and discover possible errors in the Comcast meter.

Michael Goldsberry, who has actually been assisting his moms and dads in Hinesville, Georgia, handle a Comcast data-meter issue, informed Ars that Comcast provided his moms and dads a credit after weeks of firmly insisting that the meter readings were precise which his moms and dads may have been hacked.

” What actually gets my blood boiling is throughout the whole procedure, even with executive problems submitted two times, Comcast staff members were exceptionally dismissive,” Goldsberry informed Ars. Comcast staff members took the position that “our things is right, and no, we’re not going to assist offer you metrics so you can figure out on your own if there is an issue,” he stated.

” If [Comcast] wishes to have caps, I believe there requires to be much better disclosure and tools for the staff members, specifically now we have evidence that it can be horridly incorrect,” he likewise stated.

Michael, the client from Duluth, Georgia, informed us he had a comparable experience:

The very first number of calls to customer care, the representatives informed me that their measuring of information is precise and it should be that I’m utilizing the information, or a malfunctioning gadget. I informed them that isn’t so, and they informed me generally that I was incorrect and attempted to offer me a $50- per-month upgrade to unrestricted information.

As we formerly kept in mind, Comcast improperly counted information use in Michael’s house while his modem was unplugged. Michael informed us that he continues to be a Comcast client “due to the fact that they are a quasi-monopoly and there isn’t much of an option.”

Michael continued:

Comcast most likely would not have such bad customer care if they had genuine competitors. Likewise, considering that they confessed that the information issue was their fault, they ought to never ever once again inform a client that it’s difficult for the information meter to be incorrect. In essence, they put the concern on the client to show that the information is being determined poorly.

Federal government inactiveness

To guarantee consumers that its meter can be relied on, Comcast has actually paid seeking advice from firm NetForecast to validate the precision in a subset of client houses for a number of years. We detailed NetForecast’s determining procedure in our 2016 function The most recent NetForecast report discovered that Comcast’s information meter in 2018 undercounted client use by 1.5% usually.

Comcast CEO Brian Roberts as soon as declared that Web information is similar to electrical energy which consumers who utilize more ought to pay more. However unlike controlled energies, Comcast deals with no federal government oversight of how it determines information use.

The Federal Communications Commission deserted its main regulative authority over broadband companies when Chairman Ajit Pai led a December 2017 vote to eliminate net neutrality guidelines and decontrol the market. The FCC vote left it as much as the Federal Trade Commission to avoid client damage, however neither firm appears to be doing anything to make sure that data-cap meters are precise.

” This looks like a concern that the FTC ought to check out,” Michael informed Ars. “Individuals simply need to take [Comcast’s] word on just how much information they utilize and are billed for, and Comcast has actually shown themselves to be reckless at this job.”