Can't make or receive calls on LG G4


New member
Feb 24, 2016
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Hi all

I have a bit of a conundrum with my LG G4. I have an iD Mobile sim, and currently I can send texts, use the internet via mobile data, but I can't make or receive calls. I have phoned the iD Mobile helpdesk people, and my sim is active, no problems there. They told me to take my phone to Carphone Warehouse to check if it was that the sim was faulty. They checked the phone with a different sim card, and the phone did make calls. They gave me a new sim but I am still having the same problem.

If I try making a call, it shows up in my Call Log. On screen, when trying to call someone, it just says 'Connecting', but doesn't connect. If I try and call my phone from, say, my landline, I can hear it ringing on the home phone but no response on the mobile at all.

One thing that is puzzling me is that when I go to Settings/Call/Voicemail, the Service - My Carrier option is greyed out. On the same page if I click on Settings the Voicemail Number is also greyed out.

I had an LG G3 before, which developed a fault. It has taken three months of constant harassment with their Customer Support people to get a replacement phone, and I am loath to send this new phone (received last Saturday, brand new, LG G4 as an upgrade to say sorry for taking so long sorting out the issue) back to them as they take forever to do anything. I don't know if it's a Settings thing I am missing, or if there could be a fault with the phone (please no!).

Any suggestions gratefully received :)

B. Diddy

Senior Ambassador
Mar 9, 2012
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Re: Can't make / receive calls on LG G4

Welcome to Android Central! Go to Settings>Cellular Networks>Network Operators​. Can you select iD Mobile there?

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