In this video, I'll show you the steps on how to fix your PS5 controller stick drift. Stick drift is caused by dust or particles interfering with the sensor of your analog sticks which will cause random and unprompted movement.
Step 1 is to reset your PS5 controller. There is a small button on the back of your dualsense controller that you must press and hold for 5 seconds. You can use something small to press the button like a toothpick or paperclip. After the controller is reset, plug it back into the PS5 console to resync.
If that doesn't work, then Step 2 is cleaning the area around your analog sticks. Blow air or use a cotton swab to clean out the area underneath your analog stick. Be sure to rotate the analog stick to find all areas to clean.
Step 3 is to push in on both analog sticks for 10 seconds, then rotate the analog sticks clockwise for 10 seconds and then counter clockwise for 10 seconds. Last step is pushing them in again for 10 more seconds.
If none of those methods worked for fixing your PS5 controller stick drift, then you may want to replace the analog sticks. I only recommend this if you're skilled at changing technical components. Otherwise, you may want to buy a new PS5 dualsense controller.