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Romaing disconnected - data and incoming sms work fine

Ma2021
Level 1: Joiner
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I am currently abroad in eastern Europe (Prague) and while connected to the local O2 brand network it is impossible to stay registered with the network. Incoming sms and 4G data work just fine, just outgoing and incoming calls and outgoing sms do not work. When a call is made the network gives a busy tone. When you manually select a different network and then reconnect to O2 then all works fine for about 5 minutes.

 

So far I have tried 2 different phones, one brand new one, turn off/on, airplane mode, manual roam - select a different provider, tested different cities, also have a giffgaff number with me that uses O2 network with the same result.

 

Any ideas much appreciated.

 

Cheers

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MI5
Level 94: Supreme
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@Ma2021 

Some things to try.
1 - Manually search for a different network.
2 - Reboot your phone
3 - Call customer service to check for any roaming bars.
4 - If using an iPhone, change data apn to "mobile.o2.co.uk"

I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.

Currently using:
OnePlus 6 (O2 & Sfr), Z3 Tablet (Three UK), iPhone 8+ (EE)

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pgn
Level 54: Stellar
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Try switching your phone from 4G to 3G/2G, @Ma2021 Guide: What is 2G, 3G, and 4G? 

Worth a shot.

WhatIWonNotCS
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Ma2021
Level 1: Joiner
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Thanks, tried that too but no success. The phone does indicate that it is registered with local O2 network, however outgoing and incoming calls and outgoing sms do not work at all.

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MI5
Level 94: Supreme
  • 120724 Posts
  • 605 Topics
  • 18184 Solutions
Registered:

@Ma2021 

Some things to try.
1 - Manually search for a different network.
2 - Reboot your phone
3 - Call customer service to check for any roaming bars.
4 - If using an iPhone, change data apn to "mobile.o2.co.uk"

I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.

Currently using:
OnePlus 6 (O2 & Sfr), Z3 Tablet (Three UK), iPhone 8+ (EE)

View solution in original post

Message 4 of 4
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