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WiFi Speeds (iPhone 12 Pro Max)

Anybody else having slow or inconsistent WiFi speeds on iPhone 12 Pro Max? I know it’s not my WiFi because all my other devices work as usual including my iPhone X which is still have/upgraded from.

iPhone 11 Pro Max

Posted on Nov 13, 2020 6:14 PM

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352 replies

Dec 6, 2020 8:43 AM in response to Dansobolanu

I have discovered the same issue with my 12 Pro running the latest software. Using Speed Test my download speed via wifi on the 12 Pro is 113 mbps. Over ethernet the download speed on my wired network is 230 mbps (which is what I should be getting). My new Gen 8 iPad via wifi is the same as my 12 Pro.


My old iPad Gen 5 averages the same speed via wifi as ethernet (230 mbps). It should be noted that this iPad is also running the latest software (14.2).


The history log on the Speed Test app on my 12 Pro shows that when I ran a wifi speed test shortly after getting the 12 Pro (at the end of October) it was hitting at 230 mbps.


I would say that this issue would seem to be tied into a software change.

Dec 7, 2020 3:02 AM in response to Sachihiro

Hello Apple,


I'm also having this problem with my iPhone 12.


I realize that I don't have the fastest WiFi, but I get 35 Mbps with my iPad pro every time I test. The same goes to my iPad mini from 2015 as well as with my desktop's WiFi adapter. 35 Mbps every single time.


On the exact same spot I get no more than 23 Mbps with my iPhone 12. Also every time.


Can we please get some help?



Dec 7, 2020 10:08 PM in response to colmcash

I upgraded to 12 pro max from iPhone X in nov. I get about 150mbs where I used to get upwards of 450mbs over my Orbi mesh 5ghz network. And in fact running Speedtest from router is currrently 482mbs. But from phone consistently slow. Even rebooted router. The only reason I ran test was phone was started to pause on Flickr and act laggy over internet. So I restarted phone, same result with Speedtest app that used to be fast consistently on iPhone X. I retest later in week

Dec 8, 2020 12:32 PM in response to Sachihiro

Running into the same problem. Was on the phone with them and the person said they were unaware of any issues. Also 3 other people with the same phone are experiencing the same issues. No other devices in my household are having this problem including and 11 pro, samsung note 10, computers, smart tvs, ect... I can't find anything online other that Clear Cache or removing apps running in background, things like that. I'm pretty sure I didn't by this phone to worry about having to clear my cache or disconnect and reconnect to wifi over and over.


Resolving was to check setting.

Screen Share: Checked Update

Was told to reset Network Settings

General>Reset>Network Settings


Next I was told if this didn't work I needed to reset my phone to factory.


I don't feel this was an issue when I first got the phone it seems like it started after 14.2.1 update


Pretty frustrating.






Dec 9, 2020 4:34 AM in response to Dansobolanu

There's something seriously wrong with this.


After resetting all the network settings (again), I was back to my maximum speed (36 Mbps). Only 2 days later and we're back to 23 Mbps.


Not what one would expect from a thousand dollar phone. My iPad from 2015, standing just beside it, gets the whole 36Mbps, as well as my Windows desktop my iPad Pro from 2018 and and an old Samsung Galaxy device I got from work. All of them get 36 Mbps every single time, except the newest iPhone...

WiFi Speeds (iPhone 12 Pro Max)

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