Nokia Lumia 521

2. Scroll to and tap Settings.
3. Scroll to and tap about.
4. Tap more info.
5. View the 'IMEI' number.
Liquid Damage Indicator (LDI)
All brightspot devices have an indicator that shows if it has been subjected to liquid damage. To read the
Liquid Damage Indicator (LDI), follow these steps:
1. Remove the back cover and battery from your device.
2. View the images to read the label:
Figure 1: White LDI (indicates no liquid damage)
Figure 2: Red LDI (indicates liquid damage)