How To Fix Vertical Lines On iPhone after Screen Replacement

Vertical lines is a common problem faced by DIY repairers after replacing the screen on an iPhone. In most of the case It isn't caused by a defective screen and can be resolved with a little troubleshooting.

Step 1: Check the Connection

Check the connections between the cables extending from the display to the logic board. Dirt, dust or debris can be cleaned with a brush and isopropyl alcohol. Check and clean as necessary then reconnect to the motherboard.

Step 2: Electro-Static Dischage 

ESD is a common culprit behind lines on the display. Too much was likely produced by the part itself or accidentally by the repairer on installation.

Use a ground to discharge any built up static charge before continuing the repair. Wear an anti-static wrist strap during repair to prevent this from happening.

Step 3: Damaged IC Connector

The display has an IC chip that could be damaged. Check particularly on the upper left and right corners. Any signs of damage indicate the part is defective and needs to be replaced with a new one. If this is damaged the part must be replaced.

If the issue persists after trouble-shooting these steps you may have a defective part. Suggest you choose a reliable supplier to buy the screen replacement. HCQS will be one of your good choices. The products from them have a warranty as long as 12 months. And you will be provides with a professional tech technical support.