Hidden App that will Display Different Metrics

Reference Signal Received Power

Indicates your iphone celullar signal strength

How to ?

Step one Turn off Wifi

Step Two Head over to phone App

Step Three Type *3001#12345#*

Step four Finish by tapping Call Button

Step five Tap the option RAT – Serving Cell info

Step 6 Look for RSRP and see the numbers

The less negative the number , the better your signal strength