How can I fix Wi-Fi and CarPlay issues on iPhone 17 Pro Max?

I have had the 17 Pro Max activated since Saturday and my signal keeps dropping. I have no VPN and no watch currently (I have one but I haven't even opened it yet). I have turned on and off the phone and I continue to lose service many times throughout the day. It comes back within a few minutes each time. I can't figure out the cause because it's happened while at home, while in the car, while at work, and at my parents house too. It's definitely not my location so it has to be something with the phone. HELP!

This is happening on both of my Radio Carplay. Seems when I am listening to music and also your Apple maps for GPS, whenever Maps makes an announcement Carplay and bluetooth disconnect. Both radios (they are different) worked with my Iphone 16 Pro Max. The issue started with my Iphone 17 Pro Max.

Same here. My iPhone 17 pro max constantly loses its WiFi connection (no available WiFi detected at all even the WiFi signal is strong ) whenever it’s unlocked. No VPN has been used in the above situation.

Yeah I’m too having an issue with my 17 pro! I noticed that when I connect to my cars WiFi it’s horrible. I have to turn off my WiFi for it to work better (reception). I only noticed it when I get into my car me connect to CarPlay. So not sure if it’s when it’s connecting to CarPlay or when I’m using the car WiFi! I have updated to iso 23.1 and still same issue.

You surely don't suggest I expose my home server directly on the internet?

However, getting rid of the VPN is the only thing I haven't tried yet.

Question though, why does it work without any problem on older phones, but gives issues on the 17?

dragonpanda wrote:

You surely don't suggest I expose my home server directly on the internet?

In addition to lobsterghost1's comments, here is some reading on the matter:

Don't use VPN services (GitHub)

VPN: What you need to know - Apple Community

Lawrence Finch wrote:

Why not? And having VPN on your iPhone does not have anything to do with having your home server on the internet.

This is my use case, describe in your VPN article:

* To allow access to a private network such as a school or business when you are not on site. 

Anyway, I deleted the VPN & VPN profile from my phone, restarted it; still the same

Yep it’s a known issue.I contacted them and they said they are working on it and it might get resolved. But it’s 6 days and there is no update. I wasted 2 hours over a call giving them all the information but they did not figure out anything. I am returning my iPhone 17 pro max

Hi there, I am having similar issues. I upgraded to an iPhone 17 pro two days ago. Quickly noticed that it will not connect to my 2019 jeep grand Cherokee CarPlay. Another issue Im having is there is one specific iPhone contact where our text messages keep going in and out as SMS and iMessage. Extremely frustrating. I have been on the phone with apple support with not much help. Extremely disappointed with this upgrade :(

2022 Genesis G80. On a 1 hour and 30 minute trip my wired carplay disconnected 4 times from my Iphone 17Pro.. I am purchasing a 10 Gig cable and will post my results tomorrow. If it continues, the 17 Pro goes back and I return to using my flawless 16Pro with wired CarPlay.

I am having issues with Blueetooth connectivity. My airpods seem to work, however my smart scale won’t connect. My Garmin Venu3S keeps disconnecting while using the phone with the watch on my wrist. I tried resetting network settings, restarting the phone, turning Blueetooth on/off, airplane mode, resetting the scale. Nothing works. On my car, it is disconnecting and reconnecting sporadically (regular Bluetooth, not CarPlay). My old iPhone 14 Pro (that I still haven’t completed a trade in) works just fine. That one is running on iOs18.6.2 while the new iPhone 17ProMax is running on 26.0. I am hoping the fix this soon.

Same problem wireless connection CarPlay iPhone pro max, I don't have VPN connection enabled!!! CarPlay connection disconnects every 10min! I disconnect and reconnect, this helps for 10min. and the same error occurs again!! really annoying!! we need Apple to fix it soon!!

Just purchased an iphone 17 Pro. It disconnects from Carplay about every 10 minutes. It's incredibly frustrating and dangerous when using GPS in the city. I have to keep unlocking my phone to pull up the GPS app. I've confirmed that the software on my iphone and vehicle display are up to date. My previous iphone worked flawlessly. If this isn't fixed soon, I'll need to figure out how to get my old device I traded in back. Right now, I feel like I was scammed into purchasing a downgrade.

I have a 2020 Toyota rav4 and a iPhone 15 pro with IOS 26. Im having issues connecting to my CarPlay too. I only have CarPlay via USBC cable. It’s connects for a second then cuts out. I’ve shut my phone off, restarted my car and the radio screen itself. I’ve deleted the vpn app on my phone and restarted it everything as well. I’ve bought new cables. I tried forgetting the device and starting over. And now it won’t connect really at all. It pops in and then disappears in seconds or just won’t show up all.

I can report that I have tried all fixes - my 17 Pro still disconnects. I suspect the entire network stack is crashing. No watch, no vpn, just carplay connected. All fixes mentioned, and even those that apple won't let us discuss.

We just have to use wired carplay until apple fixes it.