UK Mobile Phones ( Mobile telephone equipment and networks.

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Old January 26th 04, 07:48 PM posted to
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First recorded activity by MobileBanter: Jan 2004
Posts: 190
Default "SIM free" and unlocked is there a difference?

"Joseph" wrote in message
Sorry if this is a naive question, but is there a difference between a
phone that is "SIM free" and a phone that is unlocked or do the terms
generally mean the same thing.

Generally they both mean the same thing - a phone sold without a sim is
exactly that - 'SIM Free' would however normally refer to one that has never
had a sim whilst technically unlocked implies it was previously locked so
may actually have network branding as opposed to being as from manafacturer.

I would say though that any subtle differences aren't set in stone and that
they are the same thing, but you should check with the seller that any phone
(particuarly if it isn't brand new) is completly unbranded - this means no
branded start up screens or badges.

In terms of operation any phone that isn't locked however its described will
work on any GSM network operating on the frequencies the phone is designed

The term SIM free is generally not
used on the west side of the pond, but I see ads touting that a phone
for sale is SIM free on and in I just
assumed that this was the same as unlocked, but also wondered if it
just meant that someone was selling a phone and you had to provide
your own SIM.

The phone the person is selling as 'sim free' should not require a specific
providers sim unless specified and is accepted as meaning unlocked. Do
however confirm and also note that in the uk it is not a good idea to buy
second hand phones from untrusted \ unknown sources because of fraud and
IMEI blocking of stolen phones. Do research the seller carefully and
remember you aren't buying from etc on auction sites, you are
buying from private individuals often.


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Old March 20th 14, 06:42 AM
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First recorded activity by MobileBanter: Jun 2011
Posts: 305

Hi sim free is nothing but is an offline or unblocked mobile. These refers to mobile phones that are sold with no network commitment contract hence all SIM cards can be used. So sim free and unlocked phone both are same .Sim Free suggests that the mobile phone will not include any service providing contracts. ...Once you brought unlocked phone you can freely use it with any GSM sim .Else if the phone is locked to some other network then you can't use it with any other GSM sim until you unlock it ...You can easily unlock your mobile using sites like they will generate unlock code for some older mobile models at free of cost .....

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