Home / iPhone / New Apple connection problem? iPhone XS users report subpar cell and Wi-Fi reception

New Apple connection problem? iPhone XS users report subpar cell and Wi-Fi reception


Eight years ago, Apple’s iPhone 4 struggled with an antenna design problem that came to be known as Antennagate. Apple’s proposed solution at the time: Change the way you held the phone or use a bumper case. The new iPhone Xs Max and iPhone Xs launched late last week, and over the last few days reports of connection issues in low signal areas have appeared on various Apple and MacRumors forums and on social networks.

It’s worth noting that forums are places where people go to share problems; when things are going well, people do not generally visit a forum and speak up. Forum users are reporting weaker signals and poorer performance with the new iPhone models while in low signal areas. Many of these people still have last year’s iPhone X in hand — or have just traded them in — so they are able to offer up comparisons between their previous model and the new 2018 iPhone model.

Also: How to decide: Picking the 2018 iPhone that’s right for you

On the other hand, there are also many replies on websites like The Verge and on social networks from users who are seeing the same or better signal performance on the new iPhone Xs and Xs Max.

At this time, it is hard to quantify if this is a widespread, global issue or affecting just a small percentage of iPhone users. It also appears that the reports are coming primarily from areas with weak signal coverage; those in large cities or urban areas may not be seeing any connection issues if coverage is generally strong all of the time.

Some early theories suggested the move away from using Qualcomm processors — all new iPhone models have Intel modems — is a possible cause of the connection issues. However, Andrew Shepherd, who has been spending some time analyzing recent FCC reports, explains why the change in modems is likely not the cause of these reported connection concerns.

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iPhone X FCC EIRP results

Image: WiWavelength

Shepherd’s analysis of FCC lab tests show that the observed performance of EIRP (Equivalent Isotropically Radiated Power) for the new iPhone Xs and Xs Max indicate there could be issues in low signal areas. The weak antenna gain identified by Shepherd could possibly be addressed by increasing the conducted power through a software update or increase antenna gain via a hardware manufacturing revision.

iphonexs-lab-results.png

iPhone Xs FCC EIRP results

Image: WiWavelength

It is not just cellular reception issues that people are writing about; flaky Wi-Fi connectivity with 5GHz networks looks to be a common theme. Reports comparing older iPhones with the 2018 models indicate less than half the speed over Wi-Fi.

Another theory being suggested is related to software and Apple’s management of LTE bands. With these new iPhones having 4×4 MIMO support for the first time, it’s possible a firmware update or carrier settings update could resolve any band switching issues. The connection concerns are reported in areas of weak signal when a phone is more likely to switch to other bands to try to maintain a connection.

Also: iPhone XS: A cheat sheet for professionals TechRepublic

I’ve had an iPhone X for about a year and it has always performed worse than Samsung and other Android phones on T-Mobile. My iPhone Xs Max, again on T-Mobile, arrives tomorrow so I will be able to capture some direct dBm readings on the iPhone X and Xs Max at the same time to see if there are reception issues firsthand.

Several websites have reached out to Apple for comment. It’s likely too early in the cycle to quantify any issue, but if you have an iPhone Xs or Xs Max we would appreciate knowing the details of your connection performance. You can check your dBm signal strength by performing a field test on your iPhone. Android users can simply check their connection performance in settings.

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I'm a 50 year old PLC programmer from Burnley, UK. I severed my time as an electrician in the baking industry and soon got involved with the up and coming technology of PLC's. Initially this was all based in the Uk but as the years went by I have gradually worked my way around the globe. At first it was mainly Mitsubishi with a bit of Modicon thrown in but these days the industry leaders seem to be the Allen Bradley range of PLC and HMI’s.

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