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Pixel Tablet, Pixel 8 Pro, etc. Wi-Fi randomly disconnects and won’t automatically reconnect (shows “Check password”)

Open BrianL76 opened this issue 1 month ago • 9 comments

This was an open issue at one point, but the author closed it and refuses to re-open it, so I'm opening a new issue that will remain open until the issue is resolved.

Previous issue: https://github.com/GrapheneOS/os-issue-tracker/issues/5711

Device: Pixel Tablet, Pixel 8 Pro, etc. OS: GrapheneOS (latest stable, fully updated)

The device successfully connects to Wi-Fi using the real MAC address (Privacy → Wi-Fi MAC = Device MAC), but it eventually (and randomly) drops the connection and refuses to automatically reconnect. The WiFi connection details say: "Saved/Check password and try again".

This happens even though the correct password is saved and the router confirms the device is allowed to connect.

In order to reconnect. the password (which is supposedly saved) has to be re-entered, at which point the WiFi connection is successfully reestablished.

BrianL76 avatar Nov 11 '25 16:11 BrianL76

We need to know if it happens with the stock OS.

thestinger avatar Nov 11 '25 17:11 thestinger

This might not be a bug. Had the same issue until i renewed the leases in my router.

FirePenny1 avatar Nov 14 '25 03:11 FirePenny1

I've observed this with two different GrapheneOS Pixels (p7p and p9) and two different (crappy) routers. The timescale of "randomly" was median maybe a couple days? I don't have a Pixel with stock to test this on (and never would buy a Pixel without GrapheneOS support), but I too noticed it hasn't happened recently after messing with the wifi spec from my router (ax vs be, MFP on/off, Wifi5 v 6, etc).

Lightsockie avatar Nov 23 '25 19:11 Lightsockie

I've observed this with two different GrapheneOS Pixels (p7p and p9) and two different (crappy) routers. The timescale of "randomly" was median maybe a couple days? I don't have a Pixel with stock to test this on (and never would buy a Pixel without GrapheneOS support), but I too noticed it hasn't happened recently after messing with the wifi spec from my router (ax vs be, MFP on/off, Wifi5 v 6, etc).

Okay, so you changed exactly what router WiFi settings from what to what in order to (hopefully) get the problem to stop?

I'm running all UniFi equipment (which I don't exactly consider to be "crappy") with at least 20 other connected WiFi devices, none of which exhibit this behavior (random dropping of WiFi connection with refusal to auto reconnect).

From more searching, it does appear to be a Pixel (both phone and tablet) specific issue dating back at least a few years at this point.

I'm also unable to run the stock OS on my Pixel Tablet in order to test this further, but as I said above it's looking more and more like this may be an issue either with the Pixel hardware and/or with the stock Android code after a certain release.

BrianL76 avatar Nov 23 '25 19:11 BrianL76

It's likely not either a Pixel or GrapheneOS issue.

thestinger avatar Nov 23 '25 19:11 thestinger

I had a Pixel Tablet with build ID 2025110800, and reflashed this week-end with Google's BP3A.251105.013.A1 build, and I was still experiencing the issue.

Interestingly, I also had a Unifi AP, and disabling BSS Transition in the Wifi Network options seems to fix it. I haven't had the same issue in the last couple of days.

It's weird, because I have a pixel 9 pro and a pixel 8 on that network and neither were showing the same behaviour. But anyway, in the Pixel Tablet's case, it doesn't seem to be related to GrapheneOS itself.

mripard avatar Nov 24 '25 12:11 mripard

I have this problem with Xiaomi note 12 pro 5g phone I have android 14, mostly saw this problem with pixel series when I tried to troubleshoot this issue, I don't know how to solve it and I don't want to factory reset as it could be just a temporary solve.

I haven't seen this happening with other brand than pixel but want to raise the issue.

Also I can't get it to work even if I reenter the password

LinardsAv avatar Dec 12 '25 22:12 LinardsAv

If you can't reconnect by giving , I don't think this is the same error, you should open another ticket.

For the record, disabling BSS Transition didn't fix it entirely, just made it less likely. Given that I can reproduce it with Google's official build, it seems like it's some kind of weird interaction between unifi and pixel hardware, unrelated to GrapheneOS.

mripard avatar Dec 15 '25 15:12 mripard

For the record, disabling BSS Transition didn't fix it entirely, just made it less likely. Given that I can reproduce it with Google's official build, it seems like it's some kind of weird interaction between unifi and pixel hardware, unrelated to GrapheneOS.

Same here. With BSS disabled (thanks to your tip) the disconnect now happens every few days instead of daily (or more).

But IMO this is still an Android issue and not a UniFi issue, because I have a dozen+ other wireless devices on my UniFi network and none of them ever disconnect like this (with or without BSS).

BrianL76 avatar Dec 15 '25 18:12 BrianL76