Cluelessly messed around with roms and recovery, what's the best way to unlock my phone so I can use my sim on it??

Bailey Martin1

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Jul 20, 2016
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Cluelessly messed around with roms and recovery, what's the best way to unlock my phone so I can use my sim on it??

Long story short when I got my One M8 back from HTC repair it was locked back to O2, I thought I could save myself a bit of money by changing roms and other stuff that I knew very little about and unlock the phone myself. It didn't work and now I'm running a custom rom so my sim unlock code (that I eventually purchased after changing everything) won't work.

I think I also somehow deleted my recovery because whenever I load into recovery from my boot loader I get a red error triangle. RUU doesn't work for me when I try to restore my phone to the stock rom (receive error 171).

So I'm just wondering what would be the best way to unlock my phone so I can use my sim on it, because I'm not sure what to do right now.

Not sure what information you'll need, but I'm S-on and my boot loader is unlocked. Would be happy to provide any other information needed.

Thank you guys.
 

Golfdriver97

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Dec 4, 2012
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Welcome to the forums. When booting into recovery, and at the screen with the red triangle, have you tried pressing and holding volume up while clicking power?
 

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