iPhone mostly on SOS mode post 17.5.1 update

So, i installed ios 17.6.1 in hope it will fix my network problems. It worked whole day, woke up in the morning with the SOS mode again. Everything i tried, nothing helped. It searches for service and than just stays on "no service". Its for me like that from 17.5.1 update. I am losing hope that my phone will be usefull ever again.... I am so sad.


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iPhone 15 Pro Max, iOS 17

Posted on Aug 8, 2024 9:45 PM

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8 replies

Aug 10, 2024 9:26 PM in response to alen124

I encountered the same issue after updating to iOS 17.6.1—my mobile data stopped working. I noticed that the APN settings were missing, and I needed to update them along with the carrier settings. I visited the carrier’s website where they provided the necessary APN configuration. After updating the APN settings, the issue was resolved."

Aug 9, 2024 9:05 AM in response to alen124

alen124 wrote:

So, i installed ios 17.6.1 in hope it will fix my network problems. It worked whole day, woke up in the morning with the SOS mode again. Everything i tried, nothing helped. It searches for service and than just stays on "no service". Its for me like that from 17.5.1 update. I am losing hope that my phone will be usefull ever again.... I am so sad.

If you see SOS, No Service, or Searching on your iPhone or iPad - Apple Support

Aug 16, 2024 12:10 AM in response to alen124

I have fixed my problem.


I have drained my phone battery and then let the phone like this for 24h. From time to time I would press on the side button to force the display to light-up and make sure batter drains more.


After 24h+ I charged the phone and mobile service was restored - the phone was able to connect to the Carrier service.


It appears the battery drain resets the modem which is responsible for mobile services.

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iPhone mostly on SOS mode post 17.5.1 update

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