Field Test Mode reporting accurate cell tower IDs

does ios 10 & ios 11 iphone 7 field test mode output femtocell unique cell id numbers & tower freqs

question has never been asked before (to knowledge) except (here) nobody knew answer.

every thread on iphone "field test mode on internet either how enter ftm or dropped between releases (e.g., 10 11 dropped decibel reading) or ftm threads how field strength bars decibels - common questions ftm not question @ question new unique question.

i'm asking if apple iphone 7 field test mode reports actual cell id of local femtotowers , cellular frequencies, never going in internet lookup database (since they're installed in people's houses, , they're managed carriers t-mobile, verizon, sprint, at&t, etc.).

(*3001#12345#*) > serving cell info > {cell identity, physical cell id}

if don't know femtotower is, it's free device carrier gives if signal low, femtotower box hooks router turns low-power cellular tower, designed cover property , house. reason care unique cell id , frequencies because there multiple femto-towers in area carrier, , want know if cell id reported correctly in field test mode screen.

note field test mode screen reports called "cell id" , "physical cell id", internet lookup, going wrong femto-tower (which never on internet databases opensignal test reports).

ios 10 & ios 11 iphone 7 field test mode output femtotower unique cell id numbers & tower frequencies? (how know number reported correct 1 femtotower , not number internet database lookup?)

 

i have no idea i’m curious find out too! tried , doesn’t work!

 

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