Please tell us some basic information before asking for help: Model Name: ZS620KL Firmware Version: 126.96.36.199 Rooted or not: No Frequency of Occurrence: APP Name & APP Version (If your issue relates to the app): In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc. ======================================== I used an external device with a third-party app to measure max brightness. It was around 350 lux. Is there any way to get the value in nits? Ideally, it should be 550 nits.