Download NetWork Cell Info Lite in the Google store and open it.
It can be seen that the frequency band is band 13 from the example picture.
Then click MAP. You can see your phone connecting to a tower, and you can try aiming your outdoor
antenna at it. But sometimes this is not accurate.You could also follow Step 3.2 to find the tower.
Note: Please take screenshots at this stage.
Step 3
Find the cell tower & Determine the outdoor antenna’s position
3.1 Find the b and you are using
(1)Dial *3001#12345#*
(2)Follow the instructions, take the screenshots as requested
02
For Android
For ios