After
iOS 12.4 update many iPhone 6s/7/XR/XS users are facing issues with signal strengths
and network stability. After iOS 12.3 update signal on your iPhone to "No
Service" then sometimes the signal appears and disappears again. It seems
that with new iOS 12.4 update the signal in your iPhone will not work properly
and signal will keep on dropping with iOS 12.4.
The loss of signal in iPhone was not seen with earlier version of iOS. In
the iPhone you will see No Service or Searching on your iPhone or iPad. The
same sim wokrs well with the other iPhone but older iOS versions like one user
reported :
“iPhone
6. I swapped the sim to another iPhone
6 with 12.2 and it works. The iPhone
with 12.4 won't connect to cellular network.
I just get "No Service" or "Searching". I also tried all the steps in the first
reply.”
 |
| iOS 12.4 no service on iPhone 6s |
In
the earlier version of iOS 12 you could change network selection from automatic
to carrier (under mobile Data settings).
It seems that this option is not there after 12.4 upgrade. Quite possible that automatic
selection is not working correctly on the iPhone.
How to fix iOS 12.4 No Service issue on iPhone XR/XS Max/
8/7/6s Plus iOS 12.4 :
Fix
1: Toggle Cellular data
To
turn cellular data on or off, go to Settings, then tap Cellular or Mobile Data.
If you're using your iPad, you might see Settings > Cellular Data.
If
you're traveling internationally, make sure that your device is set up for data
roaming. Go to Settings > Cellular > Cellular Data Options > Data
Roaming.
Fix
2: Update carrier settings
It
is possible that as like iOS update, you network service provider have also
released a new software update that might be pending for your iPhone.
·
Check for a Carrier Settings update
·
To manually check for and install a carrier
settings update:
·
Make sure that your device is connected to a
Wi-Fi or cellular network.
·
Tap Settings > General > About. If an
update is available, you'll see an option to update your carrier settings.
·
To see the version of carrier settings on your
device, tap Settings > General > About and look next to Carrier.
If
you insert a new SIM card into your iPhone or iPad, you need to download the
carrier settings for your new carrier.
Fix
3: Reset Network settings
Go
to Settings > General > Reset > Reset Network Settings. This also
resets Wi-Fi networks and passwords, cellular settings, and VPN and APN
settings that you've used before.
Fix
4: Toggle LTE Off
Many
times the “No Signal” issue on iPhone is fixed by turning off LTE, it helped iPhones
regain connectivity.
Go
to Settings > Cellular > Cellular Data Option > Enable LTE > Off
Fix
5: Contact Apple Support
If
you tried everything listed and you still see the No Service indicator, it’s
time to reach out to Apple. It is
possible that your iPhone has faced a hardware failure or some other issue
which is causing singal loss with iOS 12.4.
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