I changed my resolution with DPI changer, but my screen minimalized and i cant fix it

[kiralllbaba]

I changed my resolution with Easy DPI changer, but my screen minimalized and i cant fix it. i cant even shut my phone down. help me pls

 

[Dannydet]

Hold in the power button and it will shut down. Then let it restart.
You may need to do a factory reset

 

[lvt]

What Android does your S7 have? The early S7 have been shipped with Marshmallow but there are Nougat update for it. If you actually use Nougat then changing the DPI setting is officially supported, I play with it countless times without problem.

 

[mikedt]

Yeh, the S7 was updated to Nougat 7.0, and then Oreo 8.0 earlier this year. And changing resolution is definitely officially supported with those.

OP is your S7 rooted and modified?