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on โ21-12-2017 18:35
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on โ21-12-2017 18:35
Solved! Go to Solution.
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on โ21-12-2017 20:08
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on โ21-12-2017 20:08
Just tried that code on my unlocked phone and I get the same invalid error message.
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on โ21-12-2017 20:12
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on โ21-12-2017 20:12
As I said earlier, the introduction of Knox changed no end of stuff.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
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on โ21-12-2017 20:15
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on โ21-12-2017 20:15
Very possibly the explanation for it.
![](/skins/images/930FC1B79A00AC7E910DD39C7E7BAF93/responsive_peak/images/icon_anonymous_message.png)
on โ21-12-2017 20:24
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on โ21-12-2017 20:24
*#0011# - Service Mode (shows LTE band and more)
*#06# IMEI
*1234# Firmware Information
*#7412365# Camera Firmware Standard Menu
*#7353# Quick Test Menu
*#12580*369# To check software and hardware informations
*#0228# Battery Status
*#32489# , *#0011# Service Mode
*#7780# Factory Data Reset
*2767*3855# Full Factory Reset (be careful because it will not ask for confirmation) could try these
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on โ21-12-2017 20:28
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on โ21-12-2017 20:28
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
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on โ21-12-2017 20:51
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on โ21-12-2017 20:51
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on โ21-12-2017 20:58
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on โ21-12-2017 20:58
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
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on โ21-12-2017 21:32
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on โ21-12-2017 21:32
I would try CEX, they wouldn't know it was permanently locked ๐ to O2. I have grave misgivings about O2 Recycle.
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on โ21-12-2017 21:38
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on โ21-12-2017 21:38
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
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on โ21-12-2017 22:02
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on โ21-12-2017 22:02
![](/skins/images/930FC1B79A00AC7E910DD39C7E7BAF93/responsive_peak/images/icon_anonymous_message.png)
![](/skins/images/930FC1B79A00AC7E910DD39C7E7BAF93/responsive_peak/images/icon_anonymous_message.png)