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S21 Ultra - Android Auto crashes when the phone is unlocked
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Galaxy S21 Ultra. After the constant nightmare AA has been on this device and trying one thousand cables, I finally got one that works... as long as I don't unlock the phone. If the phone is locked and I don't touch it, all good. If the phone is unlocked, all good. But if the phone is locked and I unlock it, Android Auto crashes and never recovers, I have to manually disconnect the cable and re connect again to launch AA.

I don't use any fancy security things, don't use third party launchers, themes, icons; nothing. No good lock, no Galaxy labs, anything; I come from an iPhone (and the total pain that AA is makes me regret leaving iOS every single day of my life) so I don't care for customization. The phone has a Samsung Calendar widget, I tried deleting it and it's the same. It's just broken for no reason, and it can't be the cable, it works fine If I don't unlock.

I also tried re installing AA, Webview, Chrome, using Canary WebView and Chrome... nothing works.
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Hi Gabe,
 
Thanks for reaching out to us.
 
Connectivity issues can occur due to several factors (car, phone, USB cable, software, etc) that can affect the performance of Android Auto. We recommend trying the troubleshooting steps on this FAQ thread to help with your experience.
 
If the issue still persists, you can fill out this Contact us form for further assistance. Thanks!
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Hello! Yes, I tried every one of those steps. And as I said, Android Auto works as long as I don’t unlock the phone. If its locked or unlocked it will work for hours, no problem.

But if the phone locks and I have to unlock it, AA crashes and I have to reset the cable. Everything in that FAQ is fine… as long as I don’t unlock.
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Hello,

I also have the same problem as Gabe after the last 2 updates, on Samsung Galaxy S21.

Up until March everything was working properly. 

After the last 2 updates, as soon as I unlock the phone connected to Android Auto, the application goes to Crash. The only way to get it working again is to unplug and re-plug the cable.

I have already changed the cable by putting an original Samsung one. Nothing has changed.
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Same thing here. 2018 GMC Canyon and S21 Ultra (wired). Gone through all the troubleshooting steps posted already. Tried different cables, different ports, different default USB setting. Every time AA crashes when phone is unlocked. This started only this past week for me that I've noticed.
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One of the most annoying bug. I will not buy Sumsung anymore. Can't believe that s21 ultra is not working well for 5 months with android auto. Unacceptable to flagship product
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