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Root lg k7 K330 security error authentication failed #9 (modified)

Discussion in 'Android Devices' started by 2coolrazu, Oct 1, 2017.

  1. 2coolrazu

    2coolrazu Lurker
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    i been using my lg k7 for a little bit until i rooted it and i deleted email and com.lge.email has stopped keeps popping up i restarted i was greeted with security error authentication failed #9 (modified) i tryed using a kdz file to do a firmware update in download mode nothing worked and i'm stumped thats why i'm here is there anyway to fix this problem?
     

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