How to fix Flashlight not working on iPhone 11/12/13 Pro Max ?

Many iPhone 11/12/13 Pro max users are reporting issue with iPhone flash light stopped working. The iPhone 11 flashlight is not working while taking picture from camera. For many iPhone users the Flashlight stopped working after updating the iOs to latest version. Before updating the iOS the flashlight was working fine.

iPhone flashlight not working

Different iPhone models including latest iPhone 13 Pro max is reported with the issue and the flashlight stopped working randomly. The issue is faced with both rear and front flash light not working for the iPhone users. 

Why Flashlight is not working on iPhone X/11/12/13 Pro Max :

The flash will not work if the rear camera has failed. Occasionally the Rear Camera IC (U2501) can fail & stop supplying power to the Rear Camera

 The rear cameras may have suffered some internal damage causing them to no longer work. If the iPhone  flashlight button become greyed out when you unplug the rear cameras from the logic board or does it still act as if it could be turned on? You may be able to take it into a repair shop and they’ll be able to tell you if the cameras themselves are damaged or if the problem is localised to the logic board.

If you know the hardware of iPhone, Technically you should Check power lines 1v8, turn phone on and check with published dc voltage values for your phone and check with multimeter. U2501 is located on the rear of the board (just above the Wi-Fi Module) a method of testing & temporarily bypassing the switching mode of the IC is to remove U2501 & solder a jumper wire between the pads A1 & A2 beneath the IC

How to fix iPhone flashlight not working on iPhone XS/11, 12,13 Pro Max : iOS 15/iOS 15.1

Fix : Force Restart the iPhone

First thing you should try to fix the iphone flashlight issue is to do a hard reset of the iPhone. Check this official guide for the steps. 

Fix:  Change customize controls

Go to iPhone settings>control center>customize controls>remove flashlight

Now do a hard reset/restart (holding the Home button+lock button until it shuts off. 

Turn on the settings, go back to customize controls in  control center, turn the flashlight back on, and it should work again.

Fix : Disable  and enable  the camera 

One easy solution to fix Flashlight not working in iPhone 11/12/13 Pro max is to disable and enable the camera. To do that 

1. Go to: Settings
2. Tap: Screen Time
3. Tap: Content & Privacy Restrictions
4. Enter: Keycode
5. Tap: Allowed Apps
6. Tap: Camera (So it is Green-Colored)

Fix : Remove back case

If you are Using a Case, make sure that the back camera is not covered ,eg  the microphone part is located between the lens and the flash. So, make sure all is not covered. 

Fix : Try Workaround 

Try sending images through whatsapp to a group or individual. It would fail to send and whatsapp will freeze for sometime and then crash. Try doing this few times forcefully. You will notice that the camera would have started functioning now. Also, flashlight should also work! This trick worked for me.

Fix : Restore the iPhone 

Other method to use fix any software issue in the iPhone is to restore the iPhone to original settings. To restore the iPhone please follow this guide.  

Fix : Check for hardware issue/ Swap the camera unit 

 

Rear cameras and flashlight both not working are (99% of the time) caused by the rear camera module. You will need to replace the unit to get it back. Many users after replacing the rear camera reports that camera and flashlight started working again. 

Fix : Check with Apple Service Provider

Take your iPhone to Apple Store, or Authorized Apple Service Provider to have it checked out. Could be hardware issues, and if have an iPhone 11 Pro Max which is still under the Apple Limited Warranty, you can ask for free replacement .

Source: Shudtech