Samsung by default uses a lower setting to conserve battery power, and smartphone displays still look great, but they may look even better if you do not mind sacrificing a bit of battery life to get there. (And if you can not tell the difference between them, just stick to the bottom.)
To increase the screen resolution of your Galaxy S9 or S9 +, go to the “Settings” menu of the device, click “Display”, then click “Screen Resolution”. From there, you just need to drag the marker to the preferred screen resolution – unscrew it to 2960 × 1440 (WQHD +) if you’re feeling adventurous. If you still need a little extra battery life during the day, you can also lower it to 1480 × 720 (HD +), sacrificing image quality for energy.
I tried all three, and, frankly, I try my best to see the difference between each for most of my usual activities. Things like e-mail, web surfing and text messages are great in all three modes, so if you’re worried about battery power usage and using your smartphone for basic actions only, you can simply dial it back into the HD + setup from the Gate.
If you watch a lot of movies and videos on YouTube (or elsewhere), then WQHD + resolution allows you to enjoy the 1440p video – we will stick to it. This is one place where a larger screen resolution matters, and in some cases, you can not even see that a high-definition stream is available for the video you are viewing if you do not type this setting.
How to increase the screen resolution of Galaxy S9
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