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Old 12-17-2009, 04:22 AM   #1 (permalink)
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Hi There - I wonder if someone could please help me with an issue that I am having with a secondhand 8100 that was given to me by a friend (who moved to an iPhone!!)

He says that he previously had the phone on a pay monthly contract with T-Mobile and I know that this was the case as he has had the phone for about 18 months.

I just want to use the phone for texting and a few calls, so no Blackberry data plan required.

When I place my T-Mobile pay as you go SIM card into the phone, all appears to be ok (good signal strength and the T-Mobile UK message is displayed)), however when I try to make a call, I get authorization failure. My friend says that this may be due to the phone previously being locked to his T-Mobile pay monthly account?

I thus unlocked the phone from T-Mobile and placed an O2 SIM card into it. Again everything appears ok, in that I get the O2 - UK message and 5 signal strength bars shown on the top right hand corner.

However, when I try to make a call or send a text, I get a call failure message

I suppose that this must be something to do with the phone somehow still being tied up to T-Mobile (uven though I have successfulyl unlocked it).

Could anyone please shed any light on this situation for me. I am confident that the phone was not stolen, but I am confused as to why it will not make calls on other networks.

My friend also assures me that the phone was working perfectly when he had he T-Mobile SIM card in it (which he has no mis-placed!!)

Thanks for any advise / assistance.

Andrew
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Old 12-17-2009, 08:38 AM   #2 (permalink)
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Who did you get the unlock codes from? And how do you know it actually has been unlocked?
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Old 12-17-2009, 09:16 AM   #3 (permalink)
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Hi There - thanks for the reply.

I got the unlock code from dr.unlock (I have used them before without any problems).

I know that the phone is now unlocked as when I type MEPD in options/SIM it shows disabled for network (and all other options). Also I no-longer get an invalid SIM card message when I put a non T-Mobile SIM card cin the phone, which I wa getting before I enetered the unlock code.

I am thinking that somehow the phone is still tied into a specific T-Mobile SIM card / account either by it's IMEI number or maybe it's Blackberry PIN number? Is this possible, does anyone know, so that the tie in holds across operators?

Thanks Again.
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Old 12-17-2009, 09:24 AM   #4 (permalink)
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No, any plans etc are tied to the SIM card.
If the BB PIN was tied to an account, it would only affect your ability to get data.
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Old 12-17-2009, 09:30 AM   #5 (permalink)
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OK, thanks for that.

What about the phone being on a Blacklist for stolen phones - although I am sure that this is not the case as I remember my friend getting the phone brand new about 18 months ago.

It just seems funny that it is stopping calls on all networks - yet he assures me that the phone worked fine with his old SIM card (which he has now lost - but the contract was up anyway).

Do T-Mobile do anything special with their Blackberry phones to not allow them to be used on any other network, even if unlocked?

Thanks Again.

Andrew.
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Old 12-17-2009, 09:46 AM   #6 (permalink)
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Do you have a plan that is attatched to the sim card you are using?
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Old 12-17-2009, 11:20 AM   #7 (permalink)
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Hi Again - yes I have a standard voice plan - no BB plan as I just want to use the phone for personal use (I have a curve for business use).

I have turned off data services on the phone, just in case this was causing a problem.

Thanks Again

Andrew
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Old 12-17-2009, 01:14 PM   #8 (permalink)
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You said PAYG sim card?
Does it have credit on it?
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Old 12-17-2009, 02:31 PM   #9 (permalink)
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Yes, the PAYG SIM has credit on it
I have also tried my pay monthly O2 SIM in the phone and I get exactly the same results i.e. the call failed message.

Thus it must be either some settting(s) on the phone, or a general block across all networks?

Thanks Again

Andrew
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Old 12-17-2009, 04:17 PM   #10 (permalink)
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ok, not sure where about it is on a 8100
but
options (wrench icon) - security - firewall
make sure its no checked to "block outgoing calls"
also check options - security - general, and see if there are any IT policies on the device.
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Old 12-17-2009, 04:30 PM   #11 (permalink)
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Thanks for the continuing assistance.

The firewall is disabled and there is no I.T. policy shown to be on thew phone

I think that I am just going to give him the phone back as I am stumped!!

Thanks

Andrew
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