How do I emergency disable developer mode?

A

AC Question

How to emergency disable developer mode

Hello, I did a mistake with my phone. I was playing at developer mode, and I activated option ''show display activity'' (?, I have not my phone in English so I dont know the proper name of it) and ''simulate secondary display''. Than my phones display turned purple, and I couldnt do anything. I cant even boot my phone now, because it stucks on the turning-on screen. I would like to avoid Factory setting. I dont have root and USB debbuging enabled. I have LG L7 II. Please help. Thanks
 

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