procedures on How to Unlock Htc Tattoo, Htc Hero & Other Branded Orange UK

Here's a procedures on How  to Unlock Htc Tattoo, Htc Hero & Other Branded Orange UK. If ever encountered with an Htc Tattoo unlocking with code and enter it  and shows ok but continue to says unlocking sim card and nothing can't enter in network and if being  turned off and on it ask again the unlock code. 
This unlocking solution covers for  Htc Tattoo, Htc Hero and other branded Orange with Android OS.

Download the 'ROM' Update for your HTC phone.

The 'ROM' can be downloaded from official website of HTC.com/uk/

Or from below link.

ROM for HTC Tattoo

ROM for HTC Hero

Install HTC Sync

Download

Now Run Rom upgrade utility, and wait till setup finished.


then put non accepted sim card. Enter the code.