Maps Compass Doesn't work on Lumia 640 LTE

[Windows Central Question]

I am an extreme user of windows phone..i have used so many lumia..such as..720, 920,925,730,430,530,535,830,950xl, &now 640 LTE...but till 8.1 update it worked perfectly...but after windows 10 update i face some problems....why is that..? is Microsoft not interested anymore to serve their Lumia client?

Problems:
#Ringtone function is not responding on Lumia 640 LTE
#Maps compass doesn't work
# Sometimes display becomes irresponsive.
# & much more...
pls let me know those solutions...
email: DATA EXPUNGED

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[Chintan Gohel]

perhaps you need to do a factory reset to get all things working properly

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[wgs84]

I think the update's pretty recent (likely within the week), but the compass in Maps finally works. Tap the "show my location" button to toggle between the different compass modes. I should also mention that I'm on the fast ring, so I'm not sure if this update is pushed out to production yet, but it works.