Helps check sensors and parts, according to App Store descriptions.
Dial *#06# to immediately show your device’s unique IMEI number, as shown in this PCMag article. Test & Check for iPhone
"Test & Check for iPhone" is a utility tool designed for diagnostics and hardware monitoring on Apple devices. It is often bundled with or categorized under "My Device Info" apps on the App Store . Helps check sensors and parts, according to App
Provides information on CPU usage, battery health, and storage. Helps check sensors and parts
Offers details about the device's system specifications. Other Ways to Test/Check Your iPhone
Dial *3001#12345#* followed by the call button to reveal advanced network settings and cellular data information, as explained in this Wilson Amplifiers blog post .