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Trouble unlocking tattoo on orange

I have a tattoo locked to orange.I bought the unlock code.fitted a different Sim.the phone asked for the code which I inserted.the phone said"network unlock successful"
However.when I put in another Sim.it asked for the unlock code again.which I did....out of curiosity I tried yet another Sim, again it asked for the unlock code.
What is Wong? The company that supplied the code said it was a bug in the orange software and that I should update from HTC support, but the update on the htc website is 1.67.61.43 and my phone is on 1.67.61.70, and the update is obviously older and wont load,( it also pops up as "battery below 30%, even though it is fully charged)
please please help,

just to add, it is my intention to root,
Wtf.
 

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