Important Note: This information only applies to Mobal Voice SIM or eSIM services installed in a Xiaomi / Redmi / Poco handset.
If you are using a Xiaomi / Redmi / Poco phone (with a Mobal Voice SIM/eSIM installed) and you are experiencing one of the following issues -
- Your device is connected to the network but VoLTE calls are failing to complete
or - Your device connected to the network / services were working for approximately 24 hours (but your device has now lost the connection
In most cases, this can be resolved by dialing the following number from the keypad: *#*#86583#*#*
You should then see a “VoLTE carrier check was disabled” message or a “VoLTE carrier check was enabled” message after dialing the code.
This can lead to some confusion but to allow VoLTE calls, you must ensure the “VoLTE carrier check was disabled” message is displayed.
If you see a message stating that the carrier check was “enabled”, this is incorrect and so please dial this code again until you see the “VoLTE carrier check was disabled” message.
Once you have seen this message, please test the connection / calling feature again and if there is no improvement, reboot your device and then test the calling feature again after a few minutes.
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