The user sieempi of the xda-developers forum has developed a nice method to unlock your SIM if you’ve got a HTC Desire.
Burn the iso, boot it, power up your phone into HBOOT by pressing both Vol-Down and Power and follow the instructions.
Post your experiences here for further development. The app doesn’t require root or s-off and should work on any hboot and radio version. (it has been tested so far with HBOOT up to 0.93.1000 and RADIO up to 5.14.05.17).
It’s based on some vulnerabilities and undocumented features, so disclosing them would mean the greater the chance of them being corrected.
I’ve only tested it on Desire GSM and I do not recommend using it on CDMA devices; doing otherwise could lead to unpredictable results.
As he points out in his thread, this application is freeware, and if you’ve been asked money and you paid for it, try to get a refund by mailing both Ebay/Paypal/middleman and get them shut down.
I can’t try this since my SIM is unlocked, but the feedback from the users that have been used his app is positive
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