Want to update your iPhone voicemail settings? Looks like a jailbreak is needed

Last night, I wrote a post about shopping for second-hand smartphones. Of course, that’s only one half of the deal – the other essential element is a subscription to a mobile network. I’ve been SIM-only for a while now (add up the cost of a contract, take off the cost of the “subsidised” handset, and see how expensive it really is) and, for the last year or so, I’ve been using Giffgaff.

Giffgaff is a no-frills MVNO, owned by and operating on O2’s network. Sometimes though, I have to remind myself that you get what you pay for – for example, tethering still doesn’t work properly on an iPhone and there is no visual voicemail service. Whilst tethering is potentially an issue, visual voicemail is not a problem – my Lumia and my iPhone both tell me when I have new messages and I dial 443 (GIF) to get to my voice mailbox. Annoyingly though, iOS includes an icon in the phone app labelled Voicemail – and that’s still set to O2’s 901 number instead of Giffgaff’s 443.

It used to be possible to change this by dialling 500586*443# but Apple killed this feature in iOS4. It seems that now, the only way is to use a third party voicemail app (like Hullomail), or to jailbreak the phone and start messing around with plist files…

…guess what I’m looking into doing now…

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