The iPhone only charges when powered off. It may be a system problem or it may be a battery hardware failure. If it is a system problem, we can solve the problem by debugging the IOS. If it is caused by a battery hardware broken, you need to replace the iPhone original battery.
How to fix my iPhone only charges when it's turned off?
Use original charger
Mobile phone charging failure, the current output is not enough or the data cable and charger of the mobile phone are not original. Replace the original mobile phone data cable or the original charger plug before charging.
Insufficient current output
Insufficient current output usually occurs when charging through a computer. Because the output voltage of usb is small, it sometimes causes charging failure. If iPhone not charging when plugged in the computer, it can be replaced by a wall socket. If the iPhone is not charged when it is turned on, try to turn off the iPhone when charging.
Charger cable interface aging
You can change the charging adapter and check if there is any foreign matter in the charging port. Or take a fine metallographic sandpaper and cut the appropriate size. After folding it a few times, gently polish it at the interface for a few times, then plug it in and charge it.
Try charging after restarting the iPhone
How to restart iPhone?
On iPhone X, iPhone 8, or iPhone 8 Plus: Press and release the Volume Up button quickly. Press and release the low volume button quickly. Then, hold down the side button until you see the Apple logo.
iPhone 7 or iPhone 7 Plus: Press and hold the side buttons and the low volume button for at least 10 seconds until you see the Apple logo.
iPhone 6s and earlier models, iPad or iPod touch: Press and hold the Home button and the top (or side) button for at least 10 seconds until you seethe Apple logo.
If iPhone not staying charged after update. You can consider resetting the IOS.
How to reset iPhone
1. Go to Settings > General > Reset.
2. Here you will see several options. To reset your iPhone or iPad, the option you choose is called "Clear all content and settings."
3. You may see a prompt asking you to update your iCloud backup before deleting it. You should click Back Up Then Erase.
4. If you don't want to update your iCloud backup, click "Delete now."
5. You will see the same options again and you must enter your password.Once you've done this, you can reset your iPhone or iPad.
Update iPhone firmware:
1. Connect the iPhone to the computer with a charging cable, and you will hear the prompt that the computer is connected successfully.
2. Now shut down the iPhone, then you will hear the prompt sound that the computer is not connected successfully.
3. Please press and hold the power button and home button at the same time. When the 10th second is reached, please release the switch button immediately and continue to hold down the home button.
4. At this time, iTunes will start automatically and prompt you to resume mode (the iPhone will remain black).
iTunes pops up the recovery window and clicks OK.
iTunes for PC: Hold down the "Shift" button and click "Restore iPhone".
iTunes for Mac: Hold down the "Options" button and then click "Restore iPhone".
When it pops up "Select Firmware", then select the downloaded firmware. Click "OK" to start the update. Wait a few minutes until the iPhone is restored.
Battery Management IC
The mobile phone battery needs to supply power to each electronic template in the mobile phone, and the power management chip will allocate and monitor it. Therefore, if there is a problem with the power IC, there will be a situation where the iPhone is not charged.
Because the iPhone will heat up when charging, in order to extend battery life, the battery IC will limit the phone charging when the battery is overheated. However, in the case of a problem with the battery is overheated,iPhone will only charging when off.
iPhone 6s plus does not charge when it is turned on, and it can be charged when it is turned off.
The repair method chooses to replace the charging IC
1. First shut down, remove the sim card, and remove the screws on both sides of the charging port.
2. Use the suction cup to hold the screen near the Home button and pullout an opening.
Note that the angle between the front panel and the body should not exceed 90 degrees, because there are cables at the top of the fuselage to connect the front panel and the body.
3. In order to avoid short circuit of components during the disassembly process, we must power off the motherboard and remove the shield of the power cable.
4. Use the paddle to gently pry open the connector between the power supply and the motherboard.
5. Then we remove the shield from the cable section that is connected to the front panel.
6. Also open the cables one by one, for a total of four. The four cables are display, touch, network cable,and Touch ID cable.
7. Clean the welding pad.
8. After the IC replacement is completed, the iPhone charging is normal.
For more iPhone spare parts from GEMWON at wholesale, iPhone touch screen,iPhone screen assembly and USB charging port are shipping for all over the world.
Many users have problems with the iPhone only charges when dead. After you tried all of the above methods, still can't solve the problem? Then you need to bring your iPhone to the Apple Store for a more professional repair.
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