GPS and Compass??

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Joined: Wed Apr 12, 2017 1:02 pm

GPS and Compass??

Postby Xmitter » Wed Apr 12, 2017 1:10 pm


Android ver: 7.0
Kernel ver: 3.18.35
BB ver: Moly.LR11.W1603

Now i have couple issues at moment:

i can't get GPS fix...even it is in table in middle of yard...

second thing... compass... i can't calibrate compass...

Can some help me about these?

BR: Xmitter

Posts: 1900
Joined: Mon Aug 17, 2015 3:30 am

Re: GPS and Compass??

Postby blackview_admin » Fri Apr 14, 2017 6:54 am

Did you upgrade to 7.0 with OTA before?

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Joined: Wed Apr 12, 2017 1:02 pm

Re: GPS and Compass??

Postby Xmitter » Sun Apr 16, 2017 9:23 am

Yes... i have upgrade phone over OTA.

I have even taken out that top screw of left side.
Still not taken GPS fix and compass not calibrate.

Posts: 235
Joined: Sat Oct 22, 2016 2:22 pm

Re: GPS and Compass??

Postby Phil » Wed May 10, 2017 10:46 am

Compass (yes, really hard to calibrate) and GPS are two very different things.
I suggest to use the app gps status to see what's happening with the gps data. Sometimes you have to reset a-gps-data or after moving long distance wait up to 30 min for a fix.

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Re: GPS and Compass??

Postby Tomator » Thu May 18, 2017 8:42 am

I had never a problem with GPS. Worked always quickly and accurately. GPS malfunction is uncommon. Trying to see what GPS Test (free on Google Play) shows is a good idea. You'll know if some signal is received or the phone is completely blind.

The compass is another matter. It uses both magnetic sensor and gyroscope. Gyroscope might need calibration. Having Nougat, one may use code *#87# to enter engineering menu and find the gyroscope calibration option at the bottom (take care not to move the phone while pressing calibration on-screen button). The magnetic sensor may be affected by magnetized screw (upper left side screw is close to the sensor) and by some high current conductor inside the phone that makes peaks and drops on readout. While the screw may be demagnetized or exchanged with another the internal wire cannot be dealt with. Waving in 8-shape didn't help much and even if so din't help for long. I found the compass useless by design.

If your seller won't wish to fix the issue with GPS (and you didn't buy Aliexpress 1-year replace warranty) you'll have to fix it on yourself (like finding a repair shop). Good luck!
Blackview support? Screwdriver is your support.

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