1.Clean your iPhone screen. 2.Remove the iPhone case and the screen protector. 3.Take off Lightning or USB accessories. Part 2: 4 Software Ways to Fix iPhone Touch Screen Not Working. 1.Force restart your iPhone. 2.Uninstall some apps with problems. 3.Update your iPhone. 4.Factory reset iPhone. Many iPhone users have experienced touchscreen issues, such as not working at few areas, random typing or freezing. If you are one of them, you may find some helpful solutions or suggestions in this Apple Community thread. Join the discussion or ask your own question here. Force restart iPhone 8/iPhone 8 Plus/X. As one of the solutions to fix the problem "touch screen not working in iOS 11", force restarting your iPhone can also solve the "screenshot not working on iPhone 8/iPhone X" in some cases. The way to force restart iPhone 8/iPhone 8 Plus/iPhone X in iOS 11 is different from force restarting earlier iPhones. Part 3. Conventional Tips to Fix iPhone Bottom of Screen. Option 1. Restart and Force Restart iPhone. Option 2: Clean Screen and Fingers. Option 3: Remove Screen Protector and Case. Option 4: Check Orientation Lock. Option 5: Free iPhone Storage Space. Option 6: Modify 3D Touch Settings. There are a few ways to turn on AssistiveTouch. You can: Go to Settings > Accessibility > Touch > AssistiveTouch, then turn on AssistiveTouch. Use "Hey Siri" to say "Turn on AssistiveTouch". Go to Settings > Accessibility > Accessibility Shortcut, then turn on AssistiveTouch. AssistiveTouch can also be added to the Accessibility Shortcut for 2.10) You dropped your iPhone. 3) How to fix iPhone not responding to touch. 3.1) Force restart. 3.2) Clean your iPhone. 3.3) Let your iPhone cool down. 3.4) Remove from charging and use a different charger, power outlet, or power bank. 3.5) Remove extra accessories. 3.6) Update the apps. If your iPhone touch screen won't respond to touch, learn what to do in this video Free download for ReiBoot: Enter Recovery Mode to Fix iPhone Passcode Not Working. If you have never synced iPhone with iTunes, or set up Find My iPhone in iCloud, then you need to put your iPhone into recovery mode to erase the old passcode and make a new one. Step 1. Connect your iPhone to computer > Open iTunes. Step 2. Reset AssistiveTouch. Resetting AssistiveTouch resets the main menu of the button, and in many cases, this is known to fix any issue with it. Here’s how you can reset AssistiveTouch. Step 1 This trick has been used to deal with several software-related issues occurring on various iOS devices including the newest iPhone 6s and 6s Plus. Step 4: Adjust 3D Touch settings on your iPhone. If your phone is not responding properly to 3D Touch presses, you can adjust the sensitivity of the settings by going to Settings-> General jXIyJ1.