Recently, many iPhone users have also encountered the problem of pink lines on the mobile phone screen. The reasons why pink lines on iPhone screen maybe iPhone dropped in a pool of liquid. iPhone was exposed to very hot or cold conditions for a long time, iPhone was exposed to significant quantities of radiation, software error, too much Electro Static Discharge is created, broken screen or the connection of LCD is bad.
In fact, the solution to this problem is similar to the solution to white lines on iPhone screen. Please see the below video for details.
Solution 1: Force Restart iPhone
Solution 2: Update iOS System
Solution 3: Reset Your iPhone
Solution 4: Restore iPhone in Recovery Mode
Solution 5: Put iPhone into DFU Mode
Solution 6: iOS Repair Tool
Solution 7: Apple Support