Last Updated: Mar 26, 2015
These steps help identify and resolve the underlying cause. After completing each step, test to see if the issue is fixed. If not, continue to the next step.
Sometimes, the thickness or texture of a screen protector or the pressure of a protective case affects the touchscreen's performance.
Try removing any screen protector or case, and test to see if your issue is fixed.
Caution: Some screen protectors may not reapply properly.
Note: Use only Apple iPhone 4s-compatible protective cases.
Perform a soft reset.
A soft reset restarts your phone and does not erase any of your content or data.
If these steps don't solve your issue, a broader performance issue may be the cause.Troubleshoot performance issues.
Note: To optimize device performance, be sure your Apple iPhone 4s is running the most recent device software. Check for software updates.