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Connection issues or mmi invalid

(Topic created on: 26-08-2021 11:27 AM)
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cammysmith90
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Hi all I'm having this error code and can't fix I've tried rebooting phone I've factory rest phone I have tried all the codes but this one don't work at all *#*#4636#*#* is there a fix for this 
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AndrewL
Moderator
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@cammysmith90: Are you only experiencing the error when dialing the above code? If you dial *#0*# in to your telephone keypad, does this enter the hardware test screen ( a series of grey tiles)? 

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