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Quinn, The thread you offer (https://developer.apple.com/forums/thread/130129) is of no benefit as it simply confirms Apple does not current offer a API or mechanism to read industry standard Cellular KPI values. I don't really care about throughput without the KPIs. With the KPIs I can interpret the calculated throughput. As I mentioned 2 months ago, the built in metrics in iOS do support the cellular values needed and I am sure there is a "last look" storage of these values somewhere in iOS. I would like to have Apple offer a successful method in getting these values, and as mentioned before, read only mode is fine. This would keep Apple in control and allow the building of applications that let people like me, document current cellular KPIs from the handset's POV. Today I do this with an Android device and I would much prefer to use an Apple device. The App I would like to build would use Apple's location service and these KPIs to map out coverage (typically in-building).

I have been asking for this for 6 years and Quinn always replies nicely and with no positive response. The same function that is accessed by using the dialer dial *3001#12345#* and hit send (which enters TESTMODE). Within this app there are several variables that we need to be able to do a read only capture of: Serving Cell InfoFreq Band Indicator (1 or 2 digit response) Physical Cell ID - This is the tower ID number (3 digit response) Serving Cell MeasurementsMeasured RSSI - dBm level (3 digits plus 2 to the right of the decimal) //calculated signal power from RSRP (not accurate) Measured RSRP - dBm level (3 digits plus 2 to the right of the decimal) // actual signal power from cellular provider Measured RSRQ - dBm level (2 digits plus 2 to the right of the decimal) // signal quality What ever this app taps into to collect this data is all we need an API built to collect and deliver to us when accessed. If there is no data available, response with a 999 for 3 digit and 99 for 2 digit. Seems simple enough, but like I said. I have been asking for 6 years and Quinn or someone assigned at Apple replies with no. Usually with a we see no need for this data to be exposed, yet there it is in the Testmode app accessed through the dialer. Yes I am a cellular engineer. Yes I am a beginner programmer just trying to build myself an app so I can stop carrying an Android device with my iPhone, just so I can read the signal level being delivered to where I am standing. Is that really so much to ask for... Dan