Like any iPhone user, an iPhone also needs some rest, i.e. sleep. There are many users who complain about that their iPhone 6 doesn’t go into sleep mode; as a result, the device drains lot of battery.

If you are also experiencing this issue, you need to fix this by following below-mentioned methods. We have listed a few methods to fix iPhone 6/6 Plus doesn’t go into sleep mode.

iPhone Won't Go Into Sleep Mode

Before you follow any step, just ensure that your iPhone is fully charged. As we are listing here five different methods, your phone might run out of battery.

How to Fix iPhone 6/6 Plus Doesn’t go into Sleep Mode

Solution #1. Set auto-lock time

You may clean forget to fix the auto-lock time while setting your iPhone for the first time. So you better do it now. To set auto-lock time, follow just four easy steps:

Step #1. Launch Settings app → Tap on General.

Tap Settings Then General in iOS 9

Step #2. Scroll down to Auto-Lock and tap on it.

Tap on Auto Lock in iPhone

Step #3. Tap on any option except Never.

Select Time for iPhone Auto Lock

Sometimes, your iPhone doesn’t go into sleep mode just because you have selected Never in the auto-lock options.

Solution #2. Toggle AssistiveTouch OFF

Many iPhone users have resolved the issue by toggling AssistiveTouch OFF. You can also follow suit:

Step #1. Launch Settings app → Tap on General.

Step #2. Now tap on Accessibility.

Tap on Accessibility on iPhone

Step #3. Scroll down and tap on AssistiveTouch.

Tap on Assistive Touch in Accessibility on iPhone

Step #4. Toggle the AssistiveTouch OFF.

Turn Off Assistive Touch on iPhone

Solution #3. Reboot Your iPhone

Rebooting your iPhone can be quite easy. Just press and hold the home button and sleep/wake button simultaneously at least for 10 to 15 seconds. The screen will turn blank; still hold the two buttons. Now, your iPhone will show a complete white screen with Apple logo on it. Release the buttons as iPhone is reset. Please note that if you release the buttons when the screen goes dark, your iPhone will be shut down, and will not go into Reset mode.

How to Restart-Reboot iPhone 6 and 6 Plus

Solution #4. Reset All Settings

If the above fixes do not work, you should go for Reset All Settings.

Step #1. Launch Settings app → Tap on General. Scroll down to Reset (the final option on the General screen).

Step #2. Tap on Reset → Tap on Reset All Settings (the first option).

Reset All Settings on iPhone

Solution #5. Update the iOS

Apple has a history of leaving bugs in beta versions; if you are using any beta version of any iOS, please check if there is an update in the Software Update section.

OTA Update

Step #1. Tap on Settings app → Tap General.

Step #2. Tap Software Update → Tap on Download and Update.

Check iPhone Software Update

iOS Update using iTunes

Step #1. Connect your iPhone with your computer using a USB cable.

Step #2. Open iTunes and click on the iPhone symbol. You will be landed on a Summary page.

Click on iPhone Icon in iTunes

Step #3. Click on Check for Update button.

Click on Check for Update in iTunes

Your iPhone will be updated to the latest version of iOS.

If the problem persists, as a last resort, you should downgrade your iOS to the previous version.