However, even with an 18-W charger, some users face issues while charging their iPhone 7. The most common issues are as follows.

• The iPhone 7 charges slowly or not at all.
• An alert that shows that the accessory you are using to charge the iPhone is not certified or supported.
• These are the most reported issues for an iPhone 7 with faulty charging. You may try some Home fixes that may resolve the issues.
• Change the wall adapter or the port the phone is being charged in if it doesn’t charge at all.
• Check if there is no debris or dirt in both the charging dock and the charging brick.
• Make sure the USB is connected firmly on both ends.
• Check the charging brick or the lightning cable for visible signs of damage. Example: Bent pin, loose cable, etc.
• Make sure you have no damage in your charging dock if unsupported device warning shows.

If none of the fixes seem to work for resolving your iPhone 7 charging issues. You may need to get it looked at by professionals. Here at ifixit bd, we have dedicated and experienced technicians who have expertise in resolving issues regarding iPhones. Our ifixit bd service points are located in four different locations around Dhaka, Bangladesh.