Oneplus Service Center

The larger the oneplus phone display, the higher the chances of a cracked mobile screen. To avoid use a screen guard and a case with protective surfaces on all sides.
Avoid putting the phone in the back pocket. Screen damage mostly happens when you sit down on the mobile phone without realizing it, which results in a cracked mobile screen.
Avoid using a waterproof zipper pouch to protect the phone screen from water damage and avoid any further phone repair. Moisture in any form can leave the phone screen and motherboard damaged.

• Device usually slow down when there are too many files and programs saved on it, as a result of regular use.
  
• To avoid this problem, free up some space on the oneplus by deleting temporary files and keeping your phone organized.
  
• You could also transfer old files to an external hard drive to improve your system performance.

The simplest way to prolong your oneplus phone’s battery is to change the brightness settings.
 

Common causes of overheating include using the oneplus phone camera for long periods, using the oneplus phone on full brightness, or playing graphically intensive games. Keep your phone aside for some time and let it cool down if it overheats.