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Unlocking my phone network to use a new sim.

SJParkin
Level 1: Joiner
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I have tried unlocking my device to accept new sims but i have entered it incorrectly more than 5 times so that the device is now hardlocked so i need the master reset code as im unable to use my new sim card until this is resolved, any help?

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Bambino
Level 74: Whizz kid
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@SJParkin  Take a look at this guide: https://community.o2.co.uk/t5/How-to-Guides/Unlocking-an-O2-phone-to-use-a-different-SIM-card/ba-p/1...

If the phone is definitely hard locked you'll either have to contact the manufacturer or see if a local High Street phone store can help you.

I DO NOT WORK FOR O2



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MI5
Level 94: Supreme
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@SJParkin 

I'll tag @Marjo and @Martin-O2 to see if they can help you. 

I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.

Currently using:
OnePlus 6 (O2 & Sfr), Z3 Tablet (Three UK), iPhone 8+ (EE)
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Marjo
Former Staff
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Hi there @SJParkin , if you're struggling with getting the code, I'm happy to get someone on our end to help! I'll need some additional details in order to pass this on to our Gurus so will drop you a private message here on the forum shortly. thumbsup

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