12-17-2009, 04:22 AM
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| | T-Mobile UK 8100 call failure message
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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.