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Mobile Network not available - 3G working fine - new SIM Samsung S5

Anonymous
Not applicable

Afternoon 02,

 

I have an unlocked Samsung S5. Using my wifes 02 sim card in this works perfectly, 4G and full signal. Putting in my SIM I couldn't get anything until I changed to 3G only and turned on flight mode etc. This means I've now lost 4G ability and I can't make any calls with the message 'Mobile Network not available'. 

 

This is a brand new SIM as picked up today at the O2 store providing the same results at my previous 02 SM. Super frustrating considering my wifes works perfectly in my other HTC M8 handset.

 

Any advice appreciated?

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MI5
Level 94: Supreme
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@Jeevster wrote:

Is one sim pay and go and the other pay monthly? If so the apn's are different so this could be the issue with the handset, ie the s7 has the settings that match his wives but his sim is different......


Not sure how that would prevent calls and texts from working?

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:
Pixel 7a (O2 & Lyca), One Plus 6 (Sfr), iPhone 12 Pro Max (Vodafone)
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